The patch titled
w1_ds2433: clear the validcrc flag after a write
has been removed from the -mm tree. Its filename was
w1_ds2433-clear-the-validcrc-flag-after-a-write.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: w1_ds2433: clear the validcrc flag after a write
From: Ben Gardner <gardner.ben@xxxxxxxxx>
The w1_ds2433 driver does not read from the hardware if the CRC was valid
on the last read. The validcrc flag should be cleared after a write so
that the new value can be read.
Signed-off-by: Ben Gardner <gardner.ben@xxxxxxxxx>
Signed-off-by: Evgeniy Polyakov <johnpol@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/w1/slaves/w1_ds2433.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff -puN drivers/w1/slaves/w1_ds2433.c~w1_ds2433-clear-the-validcrc-flag-after-a-write drivers/w1/slaves/w1_ds2433.c
--- a/drivers/w1/slaves/w1_ds2433.c~w1_ds2433-clear-the-validcrc-flag-after-a-write
+++ a/drivers/w1/slaves/w1_ds2433.c
@@ -156,6 +156,9 @@ out_up:
*/
static int w1_f23_write(struct w1_slave *sl, int addr, int len, const u8 *data)
{
+#ifdef CONFIG_W1_SLAVE_DS2433_CRC
+ struct w1_f23_data *f23 = sl->family_data;
+#endif
u8 wrbuf[4];
u8 rdbuf[W1_PAGE_SIZE + 3];
u8 es = (addr + len - 1) & 0x1f;
@@ -196,7 +199,9 @@ static int w1_f23_write(struct w1_slave
/* Reset the bus to wake up the EEPROM (this may not be needed) */
w1_reset_bus(sl->master);
-
+#ifdef CONFIG_W1_SLAVE_DS2433_CRC
+ f23->validcrc &= ~(1 << (addr >> W1_PAGE_BITS));
+#endif
return 0;
}
_
Patches currently in -mm which might be from gardner.ben@xxxxxxxxx are
origin.patch
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