[U-Boot] [PATCH] fat: Define MAX_CLUSTSIZE only if not defined in config

From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Define MAX_CLUSTSIZE only if not defined in board specific config file as this size can be decreased to save memory in some memory constrained cases.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
include/fat.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/fat.h b/include/fat.h index c8eb7cc..1213060 100644 --- a/include/fat.h +++ b/include/fat.h @@ -18,7 +18,9 @@ #define VFAT_MAXSEQ 9 /* Up to 9 of 13 2-byte UTF-16 entries */ #define PREFETCH_BLOCKS 2
+#ifndef MAX_CLUSTSIZE #define MAX_CLUSTSIZE 65536 +#endif #define DIRENTSPERBLOCK (mydata->sect_size / sizeof(dir_entry)) #define DIRENTSPERCLUST ((mydata->clust_size * mydata->sect_size) / \ sizeof(dir_entry)) -- 1.8.2.3

Hi Tom,
On 04/25/2014 03:48 PM, Michal Simek wrote:
From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Define MAX_CLUSTSIZE only if not defined in board specific config file as this size can be decreased to save memory in some memory constrained cases.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com
include/fat.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/fat.h b/include/fat.h index c8eb7cc..1213060 100644 --- a/include/fat.h +++ b/include/fat.h @@ -18,7 +18,9 @@ #define VFAT_MAXSEQ 9 /* Up to 9 of 13 2-byte UTF-16 entries */ #define PREFETCH_BLOCKS 2
+#ifndef MAX_CLUSTSIZE #define MAX_CLUSTSIZE 65536 +#endif #define DIRENTSPERBLOCK (mydata->sect_size / sizeof(dir_entry)) #define DIRENTSPERCLUST ((mydata->clust_size * mydata->sect_size) / \ sizeof(dir_entry)) -- 1.8.2.3
Any problem with this patch?
Thanks, Michal

On Fri, Apr 25, 2014 at 03:48:04PM +0200, Michal Simek wrote:
From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Define MAX_CLUSTSIZE only if not defined in board specific config file as this size can be decreased to save memory in some memory constrained cases.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com
include/fat.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/fat.h b/include/fat.h index c8eb7cc..1213060 100644 --- a/include/fat.h +++ b/include/fat.h @@ -18,7 +18,9 @@ #define VFAT_MAXSEQ 9 /* Up to 9 of 13 2-byte UTF-16 entries */ #define PREFETCH_BLOCKS 2
+#ifndef MAX_CLUSTSIZE #define MAX_CLUSTSIZE 65536 +#endif #define DIRENTSPERBLOCK (mydata->sect_size / sizeof(dir_entry)) #define DIRENTSPERCLUST ((mydata->clust_size * mydata->sect_size) / \ sizeof(dir_entry))
Sorry for the delay. This should be CONFIG_FS_FAT_MAX_CLUSTSIZE and documented in the README.
participants (3)
-
Michal Simek
-
Michal Simek
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Tom Rini