xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: 6632/3: mmci: stop using the blockend interrupts

Browse Source 
Implement a suggestion from Russell to drop the use of blockend
interrupts altogether and instead rely on the data counter.

Tested with error-free cards on U300, U8500 and RealView PB1176.

Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Linus Walleij
2011-01-24 15:22:13 +01:00
committed by Russell King
parent 1bae4ce27c
commit 8cb2815574
2 changed files with 24 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mmc/host/mmci.h
View File

@@ -137,7 +137,7 @@
#define MCI_IRQENABLE \
(MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK| \
MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
MCI_CMDRESPENDMASK|MCI_CMDSENTMASK)
/* These interrupts are directed to IRQ1 when two IRQ lines are available */
#define MCI_IRQ1MASK \
@@ -177,9 +177,6 @@ struct mmci_host {
struct timer_list timer;
unsigned int oldstat;
bool blockend;
bool dataend;
/* pio stuff */
struct sg_mapping_iter sg_miter;
unsigned int size;