diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.4/110-pxa3xxx_nand-handle-PIO-delays.patch')
| -rw-r--r-- | target/linux/mvebu/patches-4.4/110-pxa3xxx_nand-handle-PIO-delays.patch | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/target/linux/mvebu/patches-4.4/110-pxa3xxx_nand-handle-PIO-delays.patch b/target/linux/mvebu/patches-4.4/110-pxa3xxx_nand-handle-PIO-delays.patch deleted file mode 100644 index 7fa56970c1..0000000000 --- a/target/linux/mvebu/patches-4.4/110-pxa3xxx_nand-handle-PIO-delays.patch +++ /dev/null @@ -1,36 +0,0 @@ -Handle delays/excessive latency during flash command processing with PIO. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> - ---- a/drivers/mtd/nand/pxa3xx_nand.c -+++ b/drivers/mtd/nand/pxa3xx_nand.c -@@ -227,6 +227,7 @@ struct pxa3xx_nand_info { - int use_dma; /* use DMA ? */ - int use_spare; /* use spare ? */ - int need_wait; -+ int pio_progress; - - /* Amount of real data per full chunk */ - unsigned int chunk_size; -@@ -769,6 +770,7 @@ static irqreturn_t pxa3xx_nand_irq_threa - { - struct pxa3xx_nand_info *info = data; - -+ info->pio_progress = 1; - handle_data_pio(info); - - info->state = STATE_CMD_DONE; -@@ -1175,8 +1177,13 @@ static void nand_cmdfunc(struct mtd_info - info->need_wait = 1; - pxa3xx_nand_start(info); - -+retry: -+ info->pio_progress = 0; - if (!wait_for_completion_timeout(&info->cmd_complete, - CHIP_DELAY_TIMEOUT)) { -+ if (info->pio_progress) -+ goto retry; -+ - dev_err(&info->pdev->dev, "Wait time out!!!\n"); - /* Stop State Machine for next command cycle */ - pxa3xx_nand_stop(info); |