diff options
Diffstat (limited to 'drivers')
34 files changed, 188 insertions, 81 deletions
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 296b7a14893a..b6f7fa3a1d40 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -62,7 +62,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) if (count < 0) { return NULL; } else if (count > 0) { - resources = kmalloc(count * sizeof(struct resource), + resources = kzalloc(count * sizeof(struct resource), GFP_KERNEL); if (!resources) { dev_err(&adev->dev, "No memory for resources\n"); diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 305218539df2..d48cbed342c1 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -269,8 +269,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, */ if (ACPI_SUCCESS(status) && possible_method_call && (node->type == ACPI_TYPE_METHOD)) { - if (GET_CURRENT_ARG_TYPE(walk_state->arg_types) == - ARGP_SUPERNAME) { + if (walk_state->opcode == AML_UNLOAD_OP) { /* * acpi_ps_get_next_namestring has increased the AML pointer, * so we need to restore the saved AML pointer for method call. @@ -697,7 +696,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state * * PARAMETERS: walk_state - Current state * parser_state - Current parser state object - * arg_type - The parser argument type (ARGP_*) + * arg_type - The argument type (AML_*_ARG) * return_arg - Where the next arg is returned * * RETURN: Status, and an op object containing the next argument. @@ -817,9 +816,9 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NO_MEMORY); } - /* super_name allows argument to be a method call */ + /* To support super_name arg of Unload */ - if (arg_type == ARGP_SUPERNAME) { + if (walk_state->opcode == AML_UNLOAD_OP) { status = acpi_ps_get_next_namepath(walk_state, parser_state, arg, diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index 0431883653be..559c1173de1c 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -519,7 +519,7 @@ static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2, u64 param3, u64 param4) { int rc; - unsigned long pfn; + u64 base_addr, size; /* If user manually set "flags", make sure it is legal */ if (flags && (flags & @@ -545,10 +545,17 @@ static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2, /* * Disallow crazy address masks that give BIOS leeway to pick * injection address almost anywhere. Insist on page or - * better granularity and that target address is normal RAM. + * better granularity and that target address is normal RAM or + * NVDIMM. */ - pfn = PFN_DOWN(param1 & param2); - if (!page_is_ram(pfn) || ((param2 & PAGE_MASK) != PAGE_MASK)) + base_addr = param1 & param2; + size = ~param2 + 1; + + if (((param2 & PAGE_MASK) != PAGE_MASK) || + ((region_intersects(base_addr, size, IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE) + != REGION_INTERSECTS) && + (region_intersects(base_addr, size, IORESOURCE_MEM, IORES_DESC_PERSISTENT_MEMORY) + != REGION_INTERSECTS))) return -EINVAL; inject: diff --git a/drivers/base/property.c b/drivers/base/property.c index c359351d50f1..a163f2c59aa3 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -218,7 +218,7 @@ bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname) bool ret; ret = __fwnode_property_present(fwnode, propname); - if (ret == false && fwnode && fwnode->secondary) + if (ret == false && fwnode && !IS_ERR_OR_NULL(fwnode->secondary)) ret = __fwnode_property_present(fwnode->secondary, propname); return ret; } @@ -423,7 +423,7 @@ EXPORT_SYMBOL_GPL(device_property_match_string); int _ret_; \ _ret_ = FWNODE_PROP_READ(_fwnode_, _propname_, _type_, _proptype_, \ _val_, _nval_); \ - if (_ret_ == -EINVAL && _fwnode_ && _fwnode_->secondary) \ + if (_ret_ == -EINVAL && _fwnode_ && !IS_ERR_OR_NULL(_fwnode_->secondary)) \ _ret_ = FWNODE_PROP_READ(_fwnode_->secondary, _propname_, _type_, \ _proptype_, _val_, _nval_); \ _ret_; \ @@ -593,7 +593,7 @@ int fwnode_property_read_string_array(struct fwnode_handle *fwnode, int ret; ret = __fwnode_property_read_string_array(fwnode, propname, val, nval); - if (ret == -EINVAL && fwnode && fwnode->secondary) + if (ret == -EINVAL && fwnode && !IS_ERR_OR_NULL(fwnode->secondary)) ret = __fwnode_property_read_string_array(fwnode->secondary, propname, val, nval); return ret; @@ -621,7 +621,7 @@ int fwnode_property_read_string(struct fwnode_handle *fwnode, int ret; ret = __fwnode_property_read_string(fwnode, propname, val); - if (ret == -EINVAL && fwnode && fwnode->secondary) + if (ret == -EINVAL && fwnode && !IS_ERR_OR_NULL(fwnode->secondary)) ret = __fwnode_property_read_string(fwnode->secondary, propname, val); return ret; diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 64f5d1bdbb48..8e304b1befc5 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -176,6 +176,7 @@ #define AT_XDMAC_MAX_CHAN 0x20 #define AT_XDMAC_MAX_CSIZE 16 /* 16 data */ #define AT_XDMAC_MAX_DWIDTH 8 /* 64 bits */ +#define AT_XDMAC_RESIDUE_MAX_RETRIES 5 #define AT_XDMAC_DMA_BUSWIDTHS\ (BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) |\ @@ -1395,8 +1396,8 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct at_xdmac_desc *desc, *_desc; struct list_head *descs_list; enum dma_status ret; - int residue; - u32 cur_nda, mask, value; + int residue, retry; + u32 cur_nda, check_nda, cur_ubc, mask, value; u8 dwidth = 0; unsigned long flags; @@ -1433,7 +1434,42 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie, cpu_relax(); } + /* + * When processing the residue, we need to read two registers but we + * can't do it in an atomic way. AT_XDMAC_CNDA is used to find where + * we stand in the descriptor list and AT_XDMAC_CUBC is used + * to know how many data are remaining for the current descriptor. + * Since the dma channel is not paused to not loose data, between the + * AT_XDMAC_CNDA and AT_XDMAC_CUBC read, we may have change of + * descriptor. + * For that reason, after reading AT_XDMAC_CUBC, we check if we are + * still using the same descriptor by reading a second time + * AT_XDMAC_CNDA. If AT_XDMAC_CNDA has changed, it means we have to + * read again AT_XDMAC_CUBC. + * Memory barriers are used to ensure the read order of the registers. + * A max number of retries is set because unlikely it can never ends if + * we are transferring a lot of data with small buffers. + */ cur_nda = at_xdmac_chan_read(atchan, AT_XDMAC_CNDA) & 0xfffffffc; + rmb(); + cur_ubc = at_xdmac_chan_read(atchan, AT_XDMAC_CUBC); + for (retry = 0; retry < AT_XDMAC_RESIDUE_MAX_RETRIES; retry++) { + rmb(); + check_nda = at_xdmac_chan_read(atchan, AT_XDMAC_CNDA) & 0xfffffffc; + + if (likely(cur_nda == check_nda)) + break; + + cur_nda = check_nda; + rmb(); + cur_ubc = at_xdmac_chan_read(atchan, AT_XDMAC_CUBC); + } + + if (unlikely(retry >= AT_XDMAC_RESIDUE_MAX_RETRIES)) { + ret = DMA_ERROR; + goto spin_unlock; + } + /* * Remove size of all microblocks already transferred and the current * one. Then add the remaining size to transfer of the current @@ -1446,7 +1482,7 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie, if ((desc->lld.mbr_nda & 0xfffffffc) == cur_nda) break; } - residue += at_xdmac_chan_read(atchan, AT_XDMAC_CUBC) << dwidth; + residue += cur_ubc << dwidth; dma_set_residue(txstate, residue); diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 2209f75fdf05..aac85c30c2cf 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -522,6 +522,8 @@ static dma_cookie_t fsldma_run_tx_complete_actions(struct fsldma_chan *chan, chan_dbg(chan, "LD %p callback\n", desc); txd->callback(txd->callback_param); } + + dma_descriptor_unmap(txd); } /* Run any dependencies */ diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index e438ee5b433f..f5c6b97c8958 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -1574,7 +1574,7 @@ static int knl_get_dimm_capacity(struct sbridge_pvt *pvt, u64 *mc_sizes) for (cha = 0; cha < KNL_MAX_CHAS; cha++) { if (knl_get_mc_route(target, mc_route_reg[cha]) == channel - && participants[channel]) { + && !participants[channel]) { participant_count++; participants[channel] = 1; break; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 8297bc319369..1846d65b7285 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -96,7 +96,7 @@ static void amdgpu_flip_work_func(struct work_struct *__work) * In practice this won't execute very often unless on very fast * machines because the time window for this to happen is very small. */ - while (amdgpuCrtc->enabled && repcnt--) { + while (amdgpuCrtc->enabled && --repcnt) { /* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank * start in hpos, and to the "fudged earlier" vblank start in * vpos. @@ -112,13 +112,13 @@ static void amdgpu_flip_work_func(struct work_struct *__work) break; /* Sleep at least until estimated real start of hw vblank */ - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5); if (min_udelay > vblank->framedur_ns / 2000) { /* Don't wait ridiculously long - something is wrong */ repcnt = 0; break; } + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); usleep_range(min_udelay, 2 * min_udelay); spin_lock_irqsave(&crtc->dev->event_lock, flags); }; diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c index 21aacc1f45c1..bf731e9f643e 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c @@ -265,15 +265,27 @@ static int amdgpu_atombios_dp_get_dp_link_config(struct drm_connector *connector unsigned max_lane_num = drm_dp_max_lane_count(dpcd); unsigned lane_num, i, max_pix_clock; - for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { - for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) { - max_pix_clock = (lane_num * link_rates[i] * 8) / bpp; + if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) == + ENCODER_OBJECT_ID_NUTMEG) { + for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { + max_pix_clock = (lane_num * 270000 * 8) / bpp; if (max_pix_clock >= pix_clock) { *dp_lanes = lane_num; - *dp_rate = link_rates[i]; + *dp_rate = 270000; return 0; } } + } else { + for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { + for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) { + max_pix_clock = (lane_num * link_rates[i] * 8) / bpp; + if (max_pix_clock >= pix_clock) { + *dp_lanes = lane_num; + *dp_rate = link_rates[i]; + return 0; + } + } + } } return -EINVAL; diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 34e38749a817..f8ee740c0e26 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -1382,8 +1382,16 @@ static void tda998x_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); } +static int tda998x_connector_dpms(struct drm_connector *connector, int mode) +{ + if (drm_core_check_feature(connector->dev, DRIVER_ATOMIC)) + return drm_atomic_helper_connector_dpms(connector, mode); + else + return drm_helper_connector_dpms(connector, mode); +} + static const struct drm_connector_funcs tda998x_connector_funcs = { - .dpms = drm_atomic_helper_connector_dpms, + .dpms = tda998x_connector_dpms, .reset = drm_atomic_helper_connector_reset, .fill_modes = drm_helper_probe_single_connector_modes, .detect = tda998x_connector_detect, diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 31f6d212fb1b..30f921421b0c 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -527,6 +527,8 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder) mutex_lock(&dev_priv->av_mutex); intel_dig_port->audio_connector = connector; + /* referred in audio callbacks */ + dev_priv->dig_port_map[port] = intel_encoder; mutex_unlock(&dev_priv->av_mutex); if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) @@ -554,6 +556,7 @@ void intel_audio_codec_disable(struct intel_encoder *intel_encoder) mutex_lock(&dev_priv->av_mutex); intel_dig_port->audio_connector = NULL; + dev_priv->dig_port_map[port] = NULL; mutex_unlock(&dev_priv->av_mutex); if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 0f3df2c39f7c..084d5586585d 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -3358,7 +3358,6 @@ void intel_ddi_init(struct drm_device *dev, enum port port) intel_encoder->get_config = intel_ddi_get_config; intel_dig_port->port = port; - dev_priv->dig_port_map[port] = intel_encoder; intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & (DDI_BUF_PORT_REVERSAL | DDI_A_4_LANES); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 1d8de43bed56..cdc2c15873dc 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -6045,7 +6045,6 @@ intel_dp_init(struct drm_device *dev, } intel_dig_port->port = port; - dev_priv->dig_port_map[port] = intel_encoder; intel_dig_port->dp.output_reg = output_reg; intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index cb5d1b15755c..616108c4bc3e 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -2154,7 +2154,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, void intel_hdmi_init(struct drm_device *dev, i915_reg_t hdmi_reg, enum port port) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_digital_port *intel_dig_port; struct intel_encoder *intel_encoder; struct intel_connector *intel_connector; @@ -2223,7 +2222,6 @@ void intel_hdmi_init(struct drm_device *dev, intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI; intel_dig_port->port = port; - dev_priv->dig_port_map[port] = intel_encoder; intel_dig_port->hdmi.hdmi_reg = hdmi_reg; intel_dig_port->dp.output_reg = INVALID_MMIO_REG; diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index deb8282c26d8..52fbe530fc9e 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -664,6 +664,12 @@ int intel_setup_gmbus(struct drm_device *dev) bus->adapter.algo = &gmbus_algorithm; + /* + * We wish to retry with bit banging + * after a timed out GMBUS attempt. + */ + bus->adapter.retries = 1; + /* By default use a conservative clock rate */ bus->reg0 = pin | GMBUS_RATE_100KHZ; diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 30a57185bdb4..287226311413 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -64,6 +64,7 @@ static void ipu_fb_enable(struct ipu_crtc *ipu_crtc) /* Start DC channel and DI after IDMAC */ ipu_dc_enable_channel(ipu_crtc->dc); ipu_di_enable(ipu_crtc->di); + drm_crtc_vblank_on(&ipu_crtc->base); ipu_crtc->enabled = 1; } @@ -80,6 +81,7 @@ static void ipu_fb_disable(struct ipu_crtc *ipu_crtc) ipu_di_disable(ipu_crtc->di); ipu_plane_disable(ipu_crtc->plane[0]); ipu_dc_disable(ipu); + drm_crtc_vblank_off(&ipu_crtc->base); ipu_crtc->enabled = 0; } diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 591ba2f1ae03..26bb1b626fe3 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -42,6 +42,7 @@ static const uint32_t ipu_plane_formats[] = { DRM_FORMAT_YVYU, DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, + DRM_FORMAT_RGB565, }; int ipu_plane_irq(struct ipu_plane *ipu_plane) diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 44ee72e04df9..6af832545bc5 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -315,15 +315,27 @@ int radeon_dp_get_dp_link_config(struct drm_connector *connector, unsigned max_lane_num = drm_dp_max_lane_count(dpcd); unsigned lane_num, i, max_pix_clock; - for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { - for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) { - max_pix_clock = (lane_num * link_rates[i] * 8) / bpp; + if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) == + ENCODER_OBJECT_ID_NUTMEG) { + for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { + max_pix_clock = (lane_num * 270000 * 8) / bpp; if (max_pix_clock >= pix_clock) { *dp_lanes = lane_num; - *dp_rate = link_rates[i]; + *dp_rate = 270000; return 0; } } + } else { + for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) { + for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) { + max_pix_clock = (lane_num * link_rates[i] * 8) / bpp; + if (max_pix_clock >= pix_clock) { + *dp_lanes = lane_num; + *dp_rate = link_rates[i]; + return 0; + } + } + } } return -EINVAL; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 2b9ba03a7c1a..2d9196a447fd 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -455,7 +455,7 @@ static void radeon_flip_work_func(struct work_struct *__work) * In practice this won't execute very often unless on very fast * machines because the time window for this to happen is very small. */ - while (radeon_crtc->enabled && repcnt--) { + while (radeon_crtc->enabled && --repcnt) { /* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank * start in hpos, and to the "fudged earlier" vblank start in * vpos. @@ -471,13 +471,13 @@ static void radeon_flip_work_func(struct work_struct *__work) break; /* Sleep at least until estimated real start of hw vblank */ - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5); if (min_udelay > vblank->framedur_ns / 2000) { /* Don't wait ridiculously long - something is wrong */ repcnt = 0; break; } + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); usleep_range(min_udelay, 2 * min_udelay); spin_lock_irqsave(&crtc->dev->event_lock, flags); }; diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 0f14d897baf9..7a98823bacd1 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -1079,6 +1079,8 @@ force: /* update display watermarks based on new power state */ radeon_bandwidth_update(rdev); + /* update displays */ + radeon_dpm_display_configuration_changed(rdev); /* wait for the rings to drain */ for (i = 0; i < RADEON_NUM_RINGS; i++) { @@ -1095,9 +1097,6 @@ force: radeon_dpm_post_set_power_state(rdev); - /* update displays */ - radeon_dpm_display_configuration_changed(rdev); - rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; rdev->pm.dpm.single_display = single_display; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index db082bea8daf..c5a1a08b0449 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -563,6 +563,8 @@ static void vmw_sou_connector_destroy(struct drm_connector *connector) static const struct drm_connector_funcs vmw_sou_connector_funcs = { .dpms = vmw_du_connector_dpms, + .detect = vmw_du_connector_detect, + .fill_modes = vmw_du_connector_fill_modes, .set_property = vmw_du_connector_set_property, .destroy = vmw_sou_connector_destroy, }; diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index f2e13eb8339f..e00db3f510dd 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1050,6 +1050,17 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) for (i = 0; i < ARRAY_SIZE(client_reg); i++) { const struct ipu_platform_reg *reg = &client_reg[i]; struct platform_device *pdev; + struct device_node *of_node; + + /* Associate subdevice with the corresponding port node */ + of_node = of_graph_get_port_by_id(dev->of_node, i); + if (!of_node) { + dev_info(dev, + "no port@%d node in %s, not using %s%d\n", + i, dev->of_node->full_name, + (i / 2) ? "DI" : "CSI", i % 2); + continue; + } pdev = platform_device_alloc(reg->name, id++); if (!pdev) { @@ -1057,17 +1068,9 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) goto err_register; } + pdev->dev.of_node = of_node; pdev->dev.parent = dev; - /* Associate subdevice with the corresponding port node */ - pdev->dev.of_node = of_graph_get_port_by_id(dev->of_node, i); - if (!pdev->dev.of_node) { - dev_err(dev, "missing port@%d node in %s\n", i, - dev->of_node->full_name); - ret = -ENODEV; - goto err_register; - } - ret = platform_device_add_data(pdev, ®->pdata, sizeof(reg->pdata)); if (!ret) @@ -1289,10 +1292,6 @@ static int ipu_probe(struct platform_device *pdev) ipu->irq_sync = irq_sync; ipu->irq_err = irq_err; - ret = ipu_irq_init(ipu); - if (ret) - goto out_failed_irq; - ret = device_reset(&pdev->dev); if (ret) { dev_err(&pdev->dev, "failed to reset: %d\n", ret); @@ -1302,6 +1301,10 @@ static int ipu_probe(struct platform_device *pdev) if (ret) goto out_failed_reset; + ret = ipu_irq_init(ipu); + if (ret) + goto out_failed_irq; + /* Set MCU_T to divide MCU access window into 2 */ ipu_cm_write(ipu, 0x00400000L | (IPU_MCU_T_DEFAULT << 18), IPU_DISP_GEN); @@ -1324,9 +1327,9 @@ static int ipu_probe(struct platform_device *pdev) failed_add_clients: ipu_submodules_exit(ipu); failed_submodules_init: -out_failed_reset: ipu_irq_exit(ipu); out_failed_irq: +out_failed_reset: clk_disable_unprepare(ipu->clk); return ret; } diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 7dae0ac0f3ae..e9219f528d7e 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -20,6 +20,9 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* We need to access legacy defines from linux/media.h */ +#define __NEED_MEDIA_LEGACY_API + #include <linux/compat.h> #include <linux/export.h> #include <linux/idr.h> @@ -115,6 +118,26 @@ static long media_device_enum_entities(struct media_device *mdev, u_ent.group_id = 0; /* Unused */ u_ent.pads = ent->num_pads; u_ent.links = ent->num_links - ent->num_backlinks; + + /* + * Workaround for a bug at media-ctl <= v1.10 that makes it to + * do the wrong thing if the entity function doesn't belong to + * either MEDIA_ENT_F_OLD_BASE or MEDIA_ENT_F_OLD_SUBDEV_BASE + * Ranges. + * + * Non-subdevices are expected to be at the MEDIA_ENT_F_OLD_BASE, + * or, otherwise, will be silently ignored by media-ctl when + * printing the graphviz diagram. So, map them into the devnode + * old range. + */ + if (ent->function < MEDIA_ENT_F_OLD_BASE || + ent->function > MEDIA_ENT_T_DEVNODE_UNKNOWN) { + if (is_media_entity_v4l2_subdev(ent)) + u_ent.type = MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN; + else if (ent->function != MEDIA_ENT_F_IO_V4L) + u_ent.type = MEDIA_ENT_T_DEVNODE_UNKNOWN; + } + memcpy(&u_ent.raw, &ent->info, sizeof(ent->info)); if (copy_to_user(uent, &u_ent, sizeof(u_ent))) return -EFAULT; diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c index 79316159eec6..88b6c81cebbe 100644 --- a/drivers/mtd/tests/mtd_nandecctest.c +++ b/drivers/mtd/tests/mtd_nandecctest.c @@ -187,7 +187,7 @@ static int double_bit_error_detect(void *error_data, void *error_ecc, __nand_calculate_ecc(error_data, size, calc_ecc); ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size); - return (ret == -1) ? 0 : -EINVAL; + return (ret == -EBADMSG) ? 0 : -EINVAL; } static const struct nand_ecc_test nand_ecc_test[] = { diff --git a/drivers/nvdimm/e820.c b/drivers/nvdimm/e820.c index b0045a505dc8..95825b38559a 100644 --- a/drivers/nvdimm/e820.c +++ b/drivers/nvdimm/e820.c @@ -55,7 +55,7 @@ static int e820_pmem_probe(struct platform_device *pdev) for (p = iomem_resource.child; p ; p = p->sibling) { struct nd_region_desc ndr_desc; - if (strncmp(p->name, "Persistent Memory (legacy)", 26) != 0) + if (p->desc != IORES_DESC_PERSISTENT_MEMORY_LEGACY) continue; memset(&ndr_desc, 0, sizeof(ndr_desc)); diff --git a/drivers/parisc/eisa_enumerator.c b/drivers/parisc/eisa_enumerator.c index a656d9e83343..21905fef2cbf 100644 --- a/drivers/parisc/eisa_enumerator.c +++ b/drivers/parisc/eisa_enumerator.c @@ -91,7 +91,7 @@ static int configure_memory(const unsigned char *buf, for (i=0;i<HPEE_MEMORY_MAX_ENT;i++) { c = get_8(buf+len); - if (NULL != (res = kmalloc(sizeof(struct resource), GFP_KERNEL))) { + if (NULL != (res = kzalloc(sizeof(struct resource), GFP_KERNEL))) { int result; res->name = name; @@ -183,7 +183,7 @@ static int configure_port(const unsigned char *buf, struct resource *io_parent, for (i=0;i<HPEE_PORT_MAX_ENT;i++) { c = get_8(buf+len); - if (NULL != (res = kmalloc(sizeof(struct resource), GFP_KERNEL))) { + if (NULL != (res = kzalloc(sizeof(struct resource), GFP_KERNEL))) { res->name = board; res->start = get_16(buf+len+1); res->end = get_16(buf+len+1)+(c&HPEE_PORT_SIZE_MASK)+1; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 602eb4223510..f89db3af0607 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4772,8 +4772,10 @@ int pci_get_new_domain_nr(void) void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) { static int use_dt_domains = -1; - int domain = of_get_pci_domain_nr(parent->of_node); + int domain = -1; + if (parent) + domain = of_get_pci_domain_nr(parent->of_node); /* * Check DT domain and use_dt_domains values. * diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index d7b87c64b7cd..e220edc85c68 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -117,7 +117,7 @@ int rio_request_inb_mbox(struct rio_mport *mport, if (mport->ops->open_inb_mbox == NULL) goto out; - res = kmalloc(sizeof(struct resource), GFP_KERNEL); + res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_mbox_res(res, mbox, mbox); @@ -185,7 +185,7 @@ int rio_request_outb_mbox(struct rio_mport *mport, if (mport->ops->open_outb_mbox == NULL) goto out; - res = kmalloc(sizeof(struct resource), GFP_KERNEL); + res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_mbox_res(res, mbox, mbox); @@ -285,7 +285,7 @@ int rio_request_inb_dbell(struct rio_mport *mport, { int rc = 0; - struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); + struct resource *res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_dbell_res(res, start, end); @@ -360,7 +360,7 @@ int rio_release_inb_dbell(struct rio_mport *mport, u16 start, u16 end) struct resource *rio_request_outb_dbell(struct rio_dev *rdev, u16 start, u16 end) { - struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); + struct resource *res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_dbell_res(res, start, end); diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index cb61f300f8b5..277b5c8c825c 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -67,7 +67,7 @@ static const u8 DASD_DIAG_CMS1[] = { 0xc3, 0xd4, 0xe2, 0xf1 };/* EBCDIC CMS1 */ * and function code cmd. * In case of an exception return 3. Otherwise return result of bitwise OR of * resulting condition code and DIAG return code. */ -static inline int dia250(void *iob, int cmd) +static inline int __dia250(void *iob, int cmd) { register unsigned long reg2 asm ("2") = (unsigned long) iob; typedef union { @@ -77,7 +77,6 @@ static inline int dia250(void *iob, int cmd) int rc; rc = 3; - diag_stat_inc(DIAG_STAT_X250); asm volatile( " diag 2,%2,0x250\n" "0: ipm %0\n" @@ -91,6 +90,12 @@ static inline int dia250(void *iob, int cmd) return rc; } +static inline int dia250(void *iob, int cmd) +{ + diag_stat_inc(DIAG_STAT_X250); + return __dia250(iob, cmd); +} + /* Initialize block I/O to DIAG device using the specified blocksize and * block offset. On success, return zero and set end_block to contain the * number of blocks on the device minus the specified offset. Return non-zero diff --git a/drivers/sh/superhyway/superhyway.c b/drivers/sh/superhyway/superhyway.c index 2d9e7f3d5611..bb1fb7712134 100644 --- a/drivers/sh/superhyway/superhyway.c +++ b/drivers/sh/superhyway/superhyway.c @@ -66,7 +66,7 @@ int superhyway_add_device(unsigned long base, struct superhyway_device *sdev, superhyway_read_vcr(dev, base, &dev->vcr); if (!dev->resource) { - dev->resource = kmalloc(sizeof(struct resource), GFP_KERNEL); + dev->resource = kzalloc(sizeof(struct resource), GFP_KERNEL); if (!dev->resource) { kfree(dev); return -ENOMEM; diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 6a4ff27f4357..c688efa95e29 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -204,8 +204,8 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(master); - if (spi_imx->dma_is_inited && - transfer->len > spi_imx->wml * sizeof(u32)) + if (spi_imx->dma_is_inited && transfer->len >= spi_imx->wml && + (transfer->len % spi_imx->wml) == 0) return true; return false; } @@ -919,8 +919,6 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx, struct dma_async_tx_descriptor *desc_tx = NULL, *desc_rx = NULL; int ret; unsigned long timeout; - u32 dma; - int left; struct spi_master *master = spi_imx->bitbang.master; struct sg_table *tx = &transfer->tx_sg, *rx = &transfer->rx_sg; @@ -954,13 +952,6 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx, /* Trigger the cspi module. */ spi_imx->dma_finished = 0; - dma = readl(spi_imx->base + MX51_ECSPI_DMA); - dma = dma & (~MX51_ECSPI_DMA_RXT_WML_MASK); - /* Change RX_DMA_LENGTH trigger dma fetch tail data */ - left = transfer->len % spi_imx->wml; - if (left) - writel(dma | (left << MX51_ECSPI_DMA_RXT_WML_OFFSET), - spi_imx->base + MX51_ECSPI_DMA); /* * Set these order to avoid potential RX overflow. The overflow may * happen if we enable SPI HW before starting RX DMA due to rescheduling @@ -992,10 +983,6 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx, spi_imx->devtype_data->reset(spi_imx); dmaengine_terminate_all(master->dma_rx); } - dma &= ~MX51_ECSPI_DMA_RXT_WML_MASK; - writel(dma | - spi_imx->wml << MX51_ECSPI_DMA_RXT_WML_OFFSET, - spi_imx->base + MX51_ECSPI_DMA); } spi_imx->dma_finished = 1; diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 79a8bc4f6cec..7cb1b2d710c1 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -749,6 +749,7 @@ static int rockchip_spi_probe(struct platform_device *pdev) return 0; err_register_master: + pm_runtime_disable(&pdev->dev); if (rs->dma_tx.ch) dma_release_channel(rs->dma_tx.ch); if (rs->dma_rx.ch) @@ -778,6 +779,8 @@ static int rockchip_spi_remove(struct platform_device *pdev) if (rs->dma_rx.ch) dma_release_channel(rs->dma_rx.ch); + spi_master_put(master); + return 0; } diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 82a663ba9800..4f229e711e1c 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -177,7 +177,6 @@ void core_tmr_abort_task( if (!__target_check_io_state(se_cmd, se_sess, 0)) { spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); - target_put_sess_cmd(se_cmd); goto out; } list_del_init(&se_cmd->se_cmd_list); diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 12eab503efd1..dc4305b407bf 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -257,7 +257,7 @@ static struct resource *additional_memory_resource(phys_addr_t size) return NULL; res->name = "System RAM"; - res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; + res->flags = IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY; ret = allocate_resource(&iomem_resource, res, size, 0, -1, |