Patchwork [v2,13/14] mtd: nand: pxa3xx: Increase data buffer size

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Submitter Ezequiel Garcia
Date Aug. 7, 2013, 12:31 p.m.
Message ID <1375878679-18098-14-git-send-email-ezequiel.garcia@free-electrons.com>
Download mbox | patch
Permalink /patch/265497/
State New
Headers show

Comments

Ezequiel Garcia - Aug. 7, 2013, 12:31 p.m.
Devices with 4 KiB pages (plus OOB data) can be detected, so we increase
the data buffer size. A better solution would be to allocate a buffer
depending on the detected page size, but that's not possible given
we need the buffer prior to the device detection.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 5994b88..e3eb961 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -906,7 +906,7 @@  static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info)
  * is: 2048 + 64 = 2112 bytes, allocate a page here for both the
  * data buffer and the DMA descriptor
  */
-#define MAX_BUFF_SIZE	PAGE_SIZE
+#define MAX_BUFF_SIZE	(PAGE_SIZE*2)
 
 #ifdef ARCH_HAS_DMA
 static int pxa3xx_nand_init_buff(struct pxa3xx_nand_info *info)