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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-02 13:43:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-02 13:43:38 -0700
commit3883cbb6c1bda013a3ce2dbdab7dc97c52e4a232 (patch)
tree5b69f83b049d24ac81123ac954ca8c9128e48443 /arch/arm/mach-s3c24xx
parentd2033f2c1d1de2239ded15e478ddb4028f192a15 (diff)
parent1eb92b24e243085d242cf5ffd64829bba70972e1 (diff)
Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC specific changes from Arnd Bergmann: "These changes are all to SoC-specific code, a total of 33 branches on 17 platforms were pulled into this. Like last time, Renesas sh-mobile is now the platform with the most changes, followed by OMAP and EXYNOS. Two new platforms, TI Keystone and Rockchips RK3xxx are added in this branch, both containing almost no platform specific code at all, since they are using generic subsystem interfaces for clocks, pinctrl, interrupts etc. The device drivers are getting merged through the respective subsystem maintainer trees. One more SoC (u300) is now multiplatform capable and several others (shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving towards that goal with this series but need more work. Also noteworthy is the work on PCI here, which is traditionally part of the SoC specific code. With the changes done by Thomas Petazzoni, we can now more easily have PCI host controller drivers as loadable modules and keep them separate from the platform code in drivers/pci/host. This has already led to the discovery that three platforms (exynos, spear and imx) are actually using an identical PCIe host controller and will be able to share a driver once support for spear and imx is added." * tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (480 commits) ARM: integrator: let pciv3 use mem/premem from device tree ARM: integrator: set local side PCI addresses right ARM: dts: Add pcie controller node for exynos5440-ssdk5440 ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC ARM: EXYNOS: Enable PCIe support for Exynos5440 pci: Add PCIe driver for Samsung Exynos ARM: OMAP5: voltagedomain data: remove temporary OMAP4 voltage data ARM: keystone: Move CPU bringup code to dedicated asm file ARM: multiplatform: always pick one CPU type ARM: imx: select syscon for IMX6SL ARM: keystone: select ARM_ERRATA_798181 only for SMP ARM: imx: Synertronixx scb9328 needs to select SOC_IMX1 ARM: OMAP2+: AM43x: resolve SMP related build error dmaengine: edma: enable build for AM33XX ARM: edma: Add EDMA crossbar event mux support ARM: edma: Add DT and runtime PM support to the private EDMA API dmaengine: edma: Add TI EDMA device tree binding arm: add basic support for Rockchip RK3066a boards arm: add debug uarts for rockchip rk29xx and rk3xxx series arm: Add basic clocks for Rockchip rk3066a SoCs ...
Diffstat (limited to 'arch/arm/mach-s3c24xx')
-rw-r--r--arch/arm/mach-s3c24xx/dma-s3c2412.c56
-rw-r--r--arch/arm/mach-s3c24xx/dma-s3c2443.c3
-rw-r--r--arch/arm/mach-s3c24xx/dma.c3
3 files changed, 17 insertions, 45 deletions
diff --git a/arch/arm/mach-s3c24xx/dma-s3c2412.c b/arch/arm/mach-s3c24xx/dma-s3c2412.c
index ab1700ec8e64..b7e094671522 100644
--- a/arch/arm/mach-s3c24xx/dma-s3c2412.c
+++ b/arch/arm/mach-s3c24xx/dma-s3c2412.c
@@ -35,121 +35,95 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
[DMACH_XD0] = {
.name = "xdreq0",
.channels = MAP(S3C2412_DMAREQSEL_XDREQ0),
- .channels_rx = MAP(S3C2412_DMAREQSEL_XDREQ0),
},
[DMACH_XD1] = {
.name = "xdreq1",
.channels = MAP(S3C2412_DMAREQSEL_XDREQ1),
- .channels_rx = MAP(S3C2412_DMAREQSEL_XDREQ1),
},
[DMACH_SDI] = {
.name = "sdi",
.channels = MAP(S3C2412_DMAREQSEL_SDI),
- .channels_rx = MAP(S3C2412_DMAREQSEL_SDI),
},
- [DMACH_SPI0] = {
- .name = "spi0",
+ [DMACH_SPI0_RX] = {
+ .name = "spi0-rx",
+ .channels = MAP(S3C2412_DMAREQSEL_SPI0RX),
+ },
+ [DMACH_SPI0_TX] = {
+ .name = "spi0-tx",
.channels = MAP(S3C2412_DMAREQSEL_SPI0TX),
- .channels_rx = MAP(S3C2412_DMAREQSEL_SPI0RX),
},
- [DMACH_SPI1] = {
- .name = "spi1",
+ [DMACH_SPI1_RX] = {
+ .name = "spi1-rx",
+ .channels = MAP(S3C2412_DMAREQSEL_SPI1RX),
+ },
+ [DMACH_SPI1_TX] = {
+ .name = "spi1-tx",
.channels = MAP(S3C2412_DMAREQSEL_SPI1TX),
- .channels_rx = MAP(S3C2412_DMAREQSEL_SPI1RX),
},
[DMACH_UART0] = {
.name = "uart0",
.channels = MAP(S3C2412_DMAREQSEL_UART0_0),
- .channels_rx = MAP(S3C2412_DMAREQSEL_UART0_0),
},
[DMACH_UART1] = {
.name = "uart1",
.channels = MAP(S3C2412_DMAREQSEL_UART1_0),
- .channels_rx = MAP(S3C2412_DMAREQSEL_UART1_0),
},
[DMACH_UART2] = {
.name = "uart2",
.channels = MAP(S3C2412_DMAREQSEL_UART2_0),
- .channels_rx = MAP(S3C2412_DMAREQSEL_UART2_0),
},
[DMACH_UART0_SRC2] = {
.name = "uart0",
.channels = MAP(S3C2412_DMAREQSEL_UART0_1),
- .channels_rx = MAP(S3C2412_DMAREQSEL_UART0_1),
},
[DMACH_UART1_SRC2] = {
.name = "uart1",
.channels = MAP(S3C2412_DMAREQSEL_UART1_1),
- .channels_rx = MAP(S3C2412_DMAREQSEL_UART1_1),
},
[DMACH_UART2_SRC2] = {
.name = "uart2",
.channels = MAP(S3C2412_DMAREQSEL_UART2_1),
- .channels_rx = MAP(S3C2412_DMAREQSEL_UART2_1),
},
[DMACH_TIMER] = {
.name = "timer",
.channels = MAP(S3C2412_DMAREQSEL_TIMER),
- .channels_rx = MAP(S3C2412_DMAREQSEL_TIMER),
},
[DMACH_I2S_IN] = {
.name = "i2s-sdi",
.channels = MAP(S3C2412_DMAREQSEL_I2SRX),
- .channels_rx = MAP(S3C2412_DMAREQSEL_I2SRX),
},
[DMACH_I2S_OUT] = {
.name = "i2s-sdo",
.channels = MAP(S3C2412_DMAREQSEL_I2STX),
- .channels_rx = MAP(S3C2412_DMAREQSEL_I2STX),
},
[DMACH_USB_EP1] = {
.name = "usb-ep1",
.channels = MAP(S3C2412_DMAREQSEL_USBEP1),
- .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP1),
},
[DMACH_USB_EP2] = {
.name = "usb-ep2",
.channels = MAP(S3C2412_DMAREQSEL_USBEP2),
- .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP2),
},
[DMACH_USB_EP3] = {
.name = "usb-ep3",
.channels = MAP(S3C2412_DMAREQSEL_USBEP3),
- .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP3),
},
[DMACH_USB_EP4] = {
.name = "usb-ep4",
.channels = MAP(S3C2412_DMAREQSEL_USBEP4),
- .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP4),
},
};
-static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan,
- struct s3c24xx_dma_map *map,
- enum dma_data_direction dir)
-{
- unsigned long chsel;
-
- if (dir == DMA_FROM_DEVICE)
- chsel = map->channels_rx[0];
- else
- chsel = map->channels[0];
-
- chsel &= ~DMA_CH_VALID;
- chsel |= S3C2412_DMAREQSEL_HW;
-
- writel(chsel, chan->regs + S3C2412_DMA_DMAREQSEL);
-}
-
static void s3c2412_dma_select(struct s3c2410_dma_chan *chan,
struct s3c24xx_dma_map *map)
{
- s3c2412_dma_direction(chan, map, chan->source);
+ unsigned long chsel = map->channels[0] & (~DMA_CH_VALID);
+ writel(chsel | S3C2412_DMAREQSEL_HW,
+ chan->regs + S3C2412_DMA_DMAREQSEL);
}
static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = {
.select = s3c2412_dma_select,
- .direction = s3c2412_dma_direction,
.dcon_mask = 0,
.map = s3c2412_dma_mappings,
.map_size = ARRAY_SIZE(s3c2412_dma_mappings),
diff --git a/arch/arm/mach-s3c24xx/dma-s3c2443.c b/arch/arm/mach-s3c24xx/dma-s3c2443.c
index 5fe3539dc2b5..95b9f759fe97 100644
--- a/arch/arm/mach-s3c24xx/dma-s3c2443.c
+++ b/arch/arm/mach-s3c24xx/dma-s3c2443.c
@@ -128,7 +128,8 @@ static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = {
static void s3c2443_dma_select(struct s3c2410_dma_chan *chan,
struct s3c24xx_dma_map *map)
{
- writel(map->channels[0] | S3C2443_DMAREQSEL_HW,
+ unsigned long chsel = map->channels[0] & (~DMA_CH_VALID);
+ writel(chsel | S3C2443_DMAREQSEL_HW,
chan->regs + S3C2443_DMA_DMAREQSEL);
}
diff --git a/arch/arm/mach-s3c24xx/dma.c b/arch/arm/mach-s3c24xx/dma.c
index aab64909e9a3..4a65cba3295d 100644
--- a/arch/arm/mach-s3c24xx/dma.c
+++ b/arch/arm/mach-s3c24xx/dma.c
@@ -1159,9 +1159,6 @@ int s3c2410_dma_devconfig(enum dma_ch channel,
return -EINVAL;
}
- if (dma_sel.direction != NULL)
- (dma_sel.direction)(chan, chan->map, source);
-
return 0;
}