The patch titled
drm: count reaches -1
has been removed from the -mm tree. Its filename was
drm-count-reaches-1.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: drm: count reaches -1
From: Roel Kluin <roel.kluin@xxxxxxxxx>
With a postfix decrement in the test count will reach -1 rather than 0,
subsequent tests fail.
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxx>
Cc: Eric Anholt <eric@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/via/via_dma.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff -puN drivers/gpu/drm/via/via_dma.c~drm-count-reaches-1 drivers/gpu/drm/via/via_dma.c
--- a/drivers/gpu/drm/via/via_dma.c~drm-count-reaches-1
+++ a/drivers/gpu/drm/via/via_dma.c
@@ -481,11 +481,13 @@ static int via_wait_idle(drm_via_private
{
int count = 10000000;
- while (!(VIA_READ(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) && count--);
+ while (!(VIA_READ(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) && --count)
+ ;
- while (count-- && (VIA_READ(VIA_REG_STATUS) &
+ while (count && (VIA_READ(VIA_REG_STATUS) &
(VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY |
- VIA_3D_ENG_BUSY))) ;
+ VIA_3D_ENG_BUSY)))
+ --count;
return count;
}
@@ -705,7 +707,7 @@ static int via_cmdbuf_size(struct drm_de
switch (d_siz->func) {
case VIA_CMDBUF_SPACE:
while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz->size)
- && count--) {
+ && --count) {
if (!d_siz->wait) {
break;
}
@@ -717,7 +719,7 @@ static int via_cmdbuf_size(struct drm_de
break;
case VIA_CMDBUF_LAG:
while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz->size)
- && count--) {
+ && --count) {
if (!d_siz->wait) {
break;
}
_
Patches currently in -mm which might be from roel.kluin@xxxxxxxxx are
origin.patch
spi-pxa2xx-limit-reaches-1.patch
linux-next.patch
drm-fix-lock_test_with_return-macro.patch
pata-rb532-cf-platform_get_irq-failure-ignored.patch
microblaze-iowrite-upon-timeout.patch
uwb-event_size-should-be-signed.patch
scsi-ncr53c8xx-div-reaches-1.patch
scsi-pcmcia-nsp_cs-time_out-reaches-1.patch
frv-duplicate-output_buffer-of-e03.patch
frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch
m68k-count-can-reach-51-not-50.patch
bfin_5xx-misplaced-parentheses.patch
serial-z85c30-bcm1480-loops-reach-1.patch
spi_bfin5xx-limit-reaches-1.patch
ufs-sector_t-cannot-be-negative.patch
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