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-rw-r--r--patches/linux-3.8.13/0477-ARM-omap2-gpmc-Remove-redundant-chip-select-out-of-r.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/patches/linux-3.8.13/0477-ARM-omap2-gpmc-Remove-redundant-chip-select-out-of-r.patch b/patches/linux-3.8.13/0477-ARM-omap2-gpmc-Remove-redundant-chip-select-out-of-r.patch
new file mode 100644
index 0000000..bc5d614
--- /dev/null
+++ b/patches/linux-3.8.13/0477-ARM-omap2-gpmc-Remove-redundant-chip-select-out-of-r.patch
@@ -0,0 +1,44 @@
+From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
+Date: Tue, 12 Feb 2013 16:22:24 -0300
+Subject: [PATCH] ARM: omap2: gpmc: Remove redundant chip select out of range
+ check
+
+This check is done before the call to gpmc_cs_reserved() and
+gpmc_cs_set_reserved() and it's redundant to do it again in each
+function. This simplifies the code a bit.
+
+Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
+Reviewed-by: Jon Hunter <jon-hunter@ti.com>
+Signed-off-by: Jon Hunter <jon-hunter@ti.com>
+---
+ arch/arm/mach-omap2/gpmc.c | 10 +---------
+ 1 file changed, 1 insertion(+), 9 deletions(-)
+
+diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
+index 83430a2..901dacd 100644
+--- a/arch/arm/mach-omap2/gpmc.c
++++ b/arch/arm/mach-omap2/gpmc.c
+@@ -434,22 +434,14 @@ static int gpmc_cs_mem_enabled(int cs)
+ return l & GPMC_CONFIG7_CSVALID;
+ }
+
+-static int gpmc_cs_set_reserved(int cs, int reserved)
++static void gpmc_cs_set_reserved(int cs, int reserved)
+ {
+- if (cs > GPMC_CS_NUM)
+- return -ENODEV;
+-
+ gpmc_cs_map &= ~(1 << cs);
+ gpmc_cs_map |= (reserved ? 1 : 0) << cs;
+-
+- return 0;
+ }
+
+ static bool gpmc_cs_reserved(int cs)
+ {
+- if (cs > GPMC_CS_NUM)
+- return true;
+-
+ return gpmc_cs_map & (1 << cs);
+ }
+