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ralink: fix chuncked-io module 

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40342 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
John Crispin 2014-03-30 19:03:55 +00:00
parent 8b51cfac71
commit 34fd7651f8
1 changed files with 10 additions and 7 deletions
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17
target/linux/ramips/patches-3.10/0131-mtd-add-chunked-read-io-to-m25p80.patch
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@ -8,9 +8,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
drivers/mtd/devices/m25p80.c | 127 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 127 insertions(+)
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -392,6 +392,57 @@ static int m25p80_read(struct mtd_info *
Index: linux-3.10.34/drivers/mtd/devices/m25p80.c
===================================================================
--- linux-3.10.34.orig/drivers/mtd/devices/m25p80.c 2014-03-30 19:40:10.135292951 +0100
+++ linux-3.10.34/drivers/mtd/devices/m25p80.c 2014-03-30 19:44:40.151295482 +0100
@@ -392,6 +392,58 @@
return 0;
}
@ -34,6 +36,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ spi_message_add_tail(&t[0], &m);
+ spi_message_add_tail(&t[1], &m);
+
+ *retlen = 0;
+
+ while (idx < len) {
+ int rlen = (len - idx > 4) ? (4) : (len - idx);
+
@ -56,8 +60,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+
+ spi_sync(flash->spi, &m);
+
+ *retlen = m.actual_length - m25p_cmdsz(flash) -
+ (flash->fast_read ? 1 : 0);
+ *retlen += m.actual_length - m25p_cmdsz(flash);
+
+ mutex_unlock(&flash->lock);
+ idx += rlen;
@ -68,7 +71,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
/*
* Write an address range to the flash chip. Data must be written in
* FLASH_PAGESIZE chunks. The address range may be any size provided
@@ -479,6 +530,76 @@ static int m25p80_write(struct mtd_info
@@ -479,6 +531,76 @@
return 0;
}
@ -145,7 +148,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf)
{
@@ -1058,6 +1179,12 @@ static int m25p_probe(struct spi_device
@@ -1058,6 +1180,12 @@
flash->fast_read = true;
#endif