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| author | Amelie Delaunay <amelie.delaunay@st.com> | 2019-06-28 11:18:06 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2019-06-28 12:01:53 +0200 |
| commit | bce9437a0a48dd5e19490f56e1cdc39a9be5563c (patch) | |
| tree | af37bae6ef54ed09058a22a70fcb1e9c8215268c /drivers/mtd | |
| parent | 17c929e1334ee0647ce9f3aba1d6bc645c1e5206 (diff) | |
| download | linux-bce9437a0a48dd5e19490f56e1cdc39a9be5563c.tar.bz2 | |
mtd: rawnand: stm32_fmc2: increase DMA completion timeouts
When the system is overloaded, DMA data transfer completion occurs after
100ms. Increase the timeouts to let it the time to complete.
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/stm32_fmc2_nand.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c index 4aabea25cd7d..e63acc077c18 100644 --- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c +++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c @@ -37,6 +37,8 @@ /* Max ECC buffer length */ #define FMC2_MAX_ECC_BUF_LEN (FMC2_BCHDSRS_LEN * FMC2_MAX_SG) +#define FMC2_TIMEOUT_MS 1000 + /* Timings */ #define FMC2_THIZ 1 #define FMC2_TIO 8000 @@ -530,7 +532,8 @@ static int stm32_fmc2_ham_calculate(struct nand_chip *chip, const u8 *data, int ret; ret = readl_relaxed_poll_timeout(fmc2->io_base + FMC2_SR, - sr, sr & FMC2_SR_NWRF, 10, 1000); + sr, sr & FMC2_SR_NWRF, 10, + FMC2_TIMEOUT_MS); if (ret) { dev_err(fmc2->dev, "ham timeout\n"); return ret; @@ -611,7 +614,7 @@ static int stm32_fmc2_bch_calculate(struct nand_chip *chip, const u8 *data, /* Wait until the BCH code is ready */ if (!wait_for_completion_timeout(&fmc2->complete, - msecs_to_jiffies(1000))) { + msecs_to_jiffies(FMC2_TIMEOUT_MS))) { dev_err(fmc2->dev, "bch timeout\n"); stm32_fmc2_disable_bch_irq(fmc2); return -ETIMEDOUT; @@ -696,7 +699,7 @@ static int stm32_fmc2_bch_correct(struct nand_chip *chip, u8 *dat, /* Wait until the decoding error is ready */ if (!wait_for_completion_timeout(&fmc2->complete, - msecs_to_jiffies(1000))) { + msecs_to_jiffies(FMC2_TIMEOUT_MS))) { dev_err(fmc2->dev, "bch timeout\n"); stm32_fmc2_disable_bch_irq(fmc2); return -ETIMEDOUT; @@ -969,7 +972,7 @@ static int stm32_fmc2_xfer(struct nand_chip *chip, const u8 *buf, /* Wait end of sequencer transfer */ if (!wait_for_completion_timeout(&fmc2->complete, - msecs_to_jiffies(1000))) { + msecs_to_jiffies(FMC2_TIMEOUT_MS))) { dev_err(fmc2->dev, "seq timeout\n"); stm32_fmc2_disable_seq_irq(fmc2); dmaengine_terminate_all(dma_ch); @@ -981,7 +984,7 @@ static int stm32_fmc2_xfer(struct nand_chip *chip, const u8 *buf, /* Wait DMA data transfer completion */ if (!wait_for_completion_timeout(&fmc2->dma_data_complete, - msecs_to_jiffies(100))) { + msecs_to_jiffies(FMC2_TIMEOUT_MS))) { dev_err(fmc2->dev, "data DMA timeout\n"); dmaengine_terminate_all(dma_ch); ret = -ETIMEDOUT; @@ -990,7 +993,7 @@ static int stm32_fmc2_xfer(struct nand_chip *chip, const u8 *buf, /* Wait DMA ECC transfer completion */ if (!write_data && !raw) { if (!wait_for_completion_timeout(&fmc2->dma_ecc_complete, - msecs_to_jiffies(100))) { + msecs_to_jiffies(FMC2_TIMEOUT_MS))) { dev_err(fmc2->dev, "ECC DMA timeout\n"); dmaengine_terminate_all(fmc2->dma_ecc_ch); ret = -ETIMEDOUT; |