diff options
| author | Daniel Klamt <eleon@ele0n.de> | 2018-07-12 00:03:04 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-12 21:08:10 +1000 |
| commit | 9c3250a127901c93b23723dc5859c71a0d068fb8 (patch) | |
| tree | 2f35dafdb82943151f9d0144eb12e2a3bd1b8618 /arch/powerpc/sysdev | |
| parent | 54dbcfc211f15586c57d27492f938eb4df964257 (diff) | |
powerpc/xive: Replace msleep(x) with msleep(OPAL_BUSY_DELAY_MS)
Replace msleep(x) with with msleep(OPAL_BUSY_DELAY_MS) to document
these sleeps are to wait for opal (firmware).
Signed-off-by: Daniel Klamt <eleon@ele0n.de>
Signed-off-by: Bjoern Noetel <bjoern@br3ak3r.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/xive/native.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 311185b9960a..39ab5ad58297 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -109,7 +109,7 @@ int xive_native_configure_irq(u32 hw_irq, u32 target, u8 prio, u32 sw_irq) rc = opal_xive_set_irq_config(hw_irq, target, prio, sw_irq); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } return rc == 0 ? 0 : -ENXIO; } @@ -163,7 +163,7 @@ int xive_native_configure_queue(u32 vp_id, struct xive_q *q, u8 prio, rc = opal_xive_set_queue_info(vp_id, prio, qpage_phys, order, flags); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } if (rc) { pr_err("Error %lld setting queue for prio %d\n", rc, prio); @@ -190,7 +190,7 @@ static void __xive_native_disable_queue(u32 vp_id, struct xive_q *q, u8 prio) rc = opal_xive_set_queue_info(vp_id, prio, 0, 0, 0); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } if (rc) pr_err("Error %lld disabling queue for prio %d\n", rc, prio); @@ -253,7 +253,7 @@ static int xive_native_get_ipi(unsigned int cpu, struct xive_cpu *xc) for (;;) { irq = opal_xive_allocate_irq(chip_id); if (irq == OPAL_BUSY) { - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); continue; } if (irq < 0) { @@ -275,7 +275,7 @@ u32 xive_native_alloc_irq(void) rc = opal_xive_allocate_irq(OPAL_XIVE_ANY_CHIP); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } if (rc < 0) return 0; @@ -289,7 +289,7 @@ void xive_native_free_irq(u32 irq) s64 rc = opal_xive_free_irq(irq); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } } EXPORT_SYMBOL_GPL(xive_native_free_irq); @@ -305,7 +305,7 @@ static void xive_native_put_ipi(unsigned int cpu, struct xive_cpu *xc) for (;;) { rc = opal_xive_free_irq(xc->hw_ipi); if (rc == OPAL_BUSY) { - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); continue; } xc->hw_ipi = 0; @@ -400,7 +400,7 @@ static void xive_native_setup_cpu(unsigned int cpu, struct xive_cpu *xc) rc = opal_xive_set_vp_info(vp, OPAL_XIVE_VP_ENABLED, 0); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } if (rc) { pr_err("Failed to enable pool VP on CPU %d\n", cpu); @@ -444,7 +444,7 @@ static void xive_native_teardown_cpu(unsigned int cpu, struct xive_cpu *xc) rc = opal_xive_set_vp_info(vp, 0, 0); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } } @@ -645,7 +645,7 @@ u32 xive_native_alloc_vp_block(u32 max_vcpus) rc = opal_xive_alloc_vp_block(order); switch (rc) { case OPAL_BUSY: - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); break; case OPAL_XIVE_PROVISIONING: if (!xive_native_provision_pages()) @@ -687,7 +687,7 @@ int xive_native_enable_vp(u32 vp_id, bool single_escalation) rc = opal_xive_set_vp_info(vp_id, flags, 0); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } return rc ? -EIO : 0; } @@ -701,7 +701,7 @@ int xive_native_disable_vp(u32 vp_id) rc = opal_xive_set_vp_info(vp_id, 0, 0); if (rc != OPAL_BUSY) break; - msleep(1); + msleep(OPAL_BUSY_DELAY_MS); } return rc ? -EIO : 0; } |