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authorLinus Torvalds <torvalds@linux-foundation.org>2011-06-16 18:46:24 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-16 18:46:24 +0200
commitf8f44f09eaa2bfb40651e7fc6054d65c8091499a (patch)
treed68df2dca22c6450b1cbb43cd314a47557920187 /drivers
parentMerge branch 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/... (diff)
parentsh: sh7724: Add USBHS DMAEngine support (diff)
downloadlinux-f8f44f09eaa2bfb40651e7fc6054d65c8091499a.tar.xz
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Merge branch 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x
* 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x: sh: sh7724: Add USBHS DMAEngine support sh: ecovec: Add renesas_usbhs support sh, exec: remove redundant set_fs(USER_DS) drivers: sh: resume enabled clocks fix dmaengine: shdma: SH_DMAC_MAX_CHANNELS message fix sh: Fix up xchg/cmpxchg corruption with gUSA RB. sh: Remove compressed kernel libgcc dependency. sh: fix wrong icache/dcache address-array start addr in cache-debugfs.
Diffstat (limited to 'drivers')
-rw-r--r--drivers/dma/shdma.c13
-rw-r--r--drivers/sh/clk/core.c2
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 2a638f9f09a2..028330044201 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -1221,6 +1221,11 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
} else {
do {
for (i = chanirq_res->start; i <= chanirq_res->end; i++) {
+ if (irq_cnt >= SH_DMAC_MAX_CHANNELS) {
+ irq_cap = 1;
+ break;
+ }
+
if ((errirq_res->flags & IORESOURCE_BITS) ==
IORESOURCE_IRQ_SHAREABLE)
chan_flag[irq_cnt] = IRQF_SHARED;
@@ -1230,15 +1235,11 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
"Found IRQ %d for channel %d\n",
i, irq_cnt);
chan_irq[irq_cnt++] = i;
-
- if (irq_cnt >= SH_DMAC_MAX_CHANNELS)
- break;
}
- if (irq_cnt >= SH_DMAC_MAX_CHANNELS) {
- irq_cap = 1;
+ if (irq_cnt >= SH_DMAC_MAX_CHANNELS)
break;
- }
+
chanirq_res = platform_get_resource(pdev,
IORESOURCE_IRQ, ++irqres);
} while (irq_cnt < pdata->channel_num && chanirq_res);
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index 4f64183b27fa..7e9c39951ecb 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -635,7 +635,7 @@ static void clks_core_resume(void)
struct clk *clkp;
list_for_each_entry(clkp, &clock_list, node) {
- if (likely(clkp->ops)) {
+ if (likely(clkp->usecount && clkp->ops)) {
unsigned long rate = clkp->rate;
if (likely(clkp->ops->set_parent))