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update from rk29 server
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
ata
/
libata-sff.c
diff --git
a/drivers/ata/libata-sff.c
b/drivers/ata/libata-sff.c
index bbbb1fab17557cea8c169a9e7820c9e49d0697a7..776a89599448331bae591b3986a429608d7ad4e0 100644
(file)
--- a/
drivers/ata/libata-sff.c
+++ b/
drivers/ata/libata-sff.c
@@
-893,6
+893,9
@@
static void ata_pio_sector(struct ata_queued_cmd *qc)
do_write);
}
+ if (!do_write && !PageSlab(page))
+ flush_dcache_page(page);
+
qc->curbytes += qc->sect_size;
qc->cursg_ofs += qc->sect_size;