diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0148-mtd-nand-pxa3xx-Move-the-data-buffer-clean-to-prepar.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0148-mtd-nand-pxa3xx-Move-the-data-buffer-clean-to-prepar.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/target/linux/mvebu/patches-3.10/0148-mtd-nand-pxa3xx-Move-the-data-buffer-clean-to-prepar.patch b/target/linux/mvebu/patches-3.10/0148-mtd-nand-pxa3xx-Move-the-data-buffer-clean-to-prepar.patch deleted file mode 100644 index 3d74844f5c..0000000000 --- a/target/linux/mvebu/patches-3.10/0148-mtd-nand-pxa3xx-Move-the-data-buffer-clean-to-prepar.patch +++ /dev/null @@ -1,69 +0,0 @@ -From 1c0aed9b4cfb7bb891aab07a429436d017ac4d7c Mon Sep 17 00:00:00 2001 -From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Date: Thu, 14 Nov 2013 18:25:34 -0300 -Subject: [PATCH 148/203] mtd: nand: pxa3xx: Move the data buffer clean to - prepare_start_command() - -To allow future support of multiple page reading/writing, move the data -buffer clean out of prepare_set_command(). - -This is done to prevent the data buffer from being cleaned on every command -preparation, when a multiple command sequence is implemented to read/write -pages larger than the FIFO size (2 KiB). - -Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Tested-by: Daniel Mack <zonque@gmail.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - drivers/mtd/nand/pxa3xx_nand.c | 21 ++++++++++++++++----- - 1 file changed, 16 insertions(+), 5 deletions(-) - ---- a/drivers/mtd/nand/pxa3xx_nand.c -+++ b/drivers/mtd/nand/pxa3xx_nand.c -@@ -609,6 +609,9 @@ static void set_command_address(struct p - - static void prepare_start_command(struct pxa3xx_nand_info *info, int command) - { -+ struct pxa3xx_nand_host *host = info->host[info->cs]; -+ struct mtd_info *mtd = host->mtd; -+ - /* reset data and oob column point to handle data */ - info->buf_start = 0; - info->buf_count = 0; -@@ -633,6 +636,19 @@ static void prepare_start_command(struct - info->ndcb2 = 0; - break; - } -+ -+ /* -+ * If we are about to issue a read command, or about to set -+ * the write address, then clean the data buffer. -+ */ -+ if (command == NAND_CMD_READ0 || -+ command == NAND_CMD_READOOB || -+ command == NAND_CMD_SEQIN) { -+ -+ info->buf_count = mtd->writesize + mtd->oobsize; -+ memset(info->data_buff, 0xFF, info->buf_count); -+ } -+ - } - - static int prepare_set_command(struct pxa3xx_nand_info *info, int command, -@@ -674,16 +690,11 @@ static int prepare_set_command(struct px - info->ndcb0 |= NDCB0_DBC | (NAND_CMD_READSTART << 8); - - set_command_address(info, mtd->writesize, column, page_addr); -- info->buf_count = mtd->writesize + mtd->oobsize; -- memset(info->data_buff, 0xFF, info->buf_count); - break; - - case NAND_CMD_SEQIN: - - set_command_address(info, mtd->writesize, column, page_addr); -- info->buf_count = mtd->writesize + mtd->oobsize; -- memset(info->data_buff, 0xFF, info->buf_count); -- - break; - - case NAND_CMD_PAGEPROG: |