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Diffstat (limited to 'target/linux/mvebu/patches-3.10/0116-mtd-nand-pxa3xx-Allow-to-set-clear-the-spare-enable-.patch')
-rw-r--r--target/linux/mvebu/patches-3.10/0116-mtd-nand-pxa3xx-Allow-to-set-clear-the-spare-enable-.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.10/0116-mtd-nand-pxa3xx-Allow-to-set-clear-the-spare-enable-.patch b/target/linux/mvebu/patches-3.10/0116-mtd-nand-pxa3xx-Allow-to-set-clear-the-spare-enable-.patch
new file mode 100644
index 0000000000..eca13b4b0d
--- /dev/null
+++ b/target/linux/mvebu/patches-3.10/0116-mtd-nand-pxa3xx-Allow-to-set-clear-the-spare-enable-.patch
@@ -0,0 +1,49 @@
+From be5f1d59341e48dbe0730253417c52bf79c6c3a7 Mon Sep 17 00:00:00 2001
+From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
+Date: Mon, 12 Aug 2013 14:14:49 -0300
+Subject: [PATCH 116/203] mtd: nand: pxa3xx: Allow to set/clear the 'spare
+ enable' field
+
+Some commands (such as the ONFI parameter page read) need to
+clear the 'spare enable' bit. This commit allows to set/clear
+depending on the prepared command, instead of having it always
+set.
+
+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>
+Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
+---
+ drivers/mtd/nand/pxa3xx_nand.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+--- a/drivers/mtd/nand/pxa3xx_nand.c
++++ b/drivers/mtd/nand/pxa3xx_nand.c
+@@ -185,6 +185,7 @@ struct pxa3xx_nand_info {
+ int cs;
+ int use_ecc; /* use HW ECC ? */
+ int use_dma; /* use DMA ? */
++ int use_spare; /* use spare ? */
+ int is_ready;
+
+ unsigned int page_size; /* page size of attached chip */
+@@ -325,6 +326,11 @@ static void pxa3xx_nand_start(struct pxa
+ else
+ ndcr &= ~NDCR_DMA_EN;
+
++ if (info->use_spare)
++ ndcr |= NDCR_SPARE_EN;
++ else
++ ndcr &= ~NDCR_SPARE_EN;
++
+ ndcr |= NDCR_ND_RUN;
+
+ /* clear status bits and run */
+@@ -526,6 +532,7 @@ static int prepare_command_pool(struct p
+ info->buf_count = 0;
+ info->oob_size = 0;
+ info->use_ecc = 0;
++ info->use_spare = 1;
+ info->use_dma = (use_dma) ? 1 : 0;
+ info->is_ready = 0;
+ info->retcode = ERR_NONE;