summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-prima2/rstc.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-prima2/rstc.c')
-rw-r--r--arch/arm/mach-prima2/rstc.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
index 4887a2a4c698..3dffcb2d714e 100644
--- a/arch/arm/mach-prima2/rstc.c
+++ b/arch/arm/mach-prima2/rstc.c
@@ -36,27 +36,33 @@ static int sirfsoc_reset_module(struct reset_controller_dev *rcdev,
if (of_device_is_compatible(rcdev->of_node, "sirf,prima2-rstc")) {
/*
- * Writing 1 to this bit resets corresponding block. Writing 0 to this
- * bit de-asserts reset signal of the corresponding block.
- * datasheet doesn't require explicit delay between the set and clear
- * of reset bit. it could be shorter if tests pass.
+ * Writing 1 to this bit resets corresponding block.
+ * Writing 0 to this bit de-asserts reset signal of the
+ * corresponding block. datasheet doesn't require explicit
+ * delay between the set and clear of reset bit. it could
+ * be shorter if tests pass.
*/
- writel(readl(sirfsoc_rstc_base + (reset_bit / 32) * 4) | (1 << reset_bit),
+ writel(readl(sirfsoc_rstc_base +
+ (reset_bit / 32) * 4) | (1 << reset_bit),
sirfsoc_rstc_base + (reset_bit / 32) * 4);
- msleep(10);
- writel(readl(sirfsoc_rstc_base + (reset_bit / 32) * 4) & ~(1 << reset_bit),
+ msleep(20);
+ writel(readl(sirfsoc_rstc_base +
+ (reset_bit / 32) * 4) & ~(1 << reset_bit),
sirfsoc_rstc_base + (reset_bit / 32) * 4);
} else {
/*
* For MARCO and POLO
- * Writing 1 to SET register resets corresponding block. Writing 1 to CLEAR
- * register de-asserts reset signal of the corresponding block.
- * datasheet doesn't require explicit delay between the set and clear
- * of reset bit. it could be shorter if tests pass.
+ * Writing 1 to SET register resets corresponding block.
+ * Writing 1 to CLEAR register de-asserts reset signal of the
+ * corresponding block.
+ * datasheet doesn't require explicit delay between the set and
+ * clear of reset bit. it could be shorter if tests pass.
*/
- writel(1 << reset_bit, sirfsoc_rstc_base + (reset_bit / 32) * 8);
- msleep(10);
- writel(1 << reset_bit, sirfsoc_rstc_base + (reset_bit / 32) * 8 + 4);
+ writel(1 << reset_bit,
+ sirfsoc_rstc_base + (reset_bit / 32) * 8);
+ msleep(20);
+ writel(1 << reset_bit,
+ sirfsoc_rstc_base + (reset_bit / 32) * 8 + 4);
}
mutex_unlock(&rstc_lock);