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mtd: rawnand: stm32_fmc2: do not display errors if the driver is deferred

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A MDMA issue has been solved on Kernel 5.7. The effect of this fix is
that the MDMA driver is now deferred and the FMC2 NFC driver is also
deferred. All is working fine but there is a FMC2 log in the console:
stm32_fmc2_nfc 58002000.nand-controller: failed to request tx DMA
channel: -517

This patch removes the display of this log in the console in case of
this error is -EPROBE_DEFER.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1591975362-22009-2-git-send-email-christophe.kerello@st.com
This commit is contained in:
Christophe Kerello 2020-06-12 17:22:37 +02:00 committed by Miquel Raynal
parent dcb7fd82c7
commit 5eeb7fe919
1 changed files with 3 additions and 3 deletions
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6
drivers/mtd/nand/raw/stm32_fmc2_nand.c
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@ -1570,7 +1570,7 @@ static int stm32_fmc2_nfc_dma_setup(struct stm32_fmc2_nfc *nfc)
nfc->dma_tx_ch = dma_request_chan(nfc->dev, "tx");
if (IS_ERR(nfc->dma_tx_ch)) {
ret = PTR_ERR(nfc->dma_tx_ch);
if (ret != -ENODEV)
if (ret != -ENODEV && ret != -EPROBE_DEFER)
dev_err(nfc->dev,
"failed to request tx DMA channel: %d\n", ret);
nfc->dma_tx_ch = NULL;
@ -1580,7 +1580,7 @@ static int stm32_fmc2_nfc_dma_setup(struct stm32_fmc2_nfc *nfc)
nfc->dma_rx_ch = dma_request_chan(nfc->dev, "rx");
if (IS_ERR(nfc->dma_rx_ch)) {
ret = PTR_ERR(nfc->dma_rx_ch);
if (ret != -ENODEV)
if (ret != -ENODEV && ret != -EPROBE_DEFER)
dev_err(nfc->dev,
"failed to request rx DMA channel: %d\n", ret);
nfc->dma_rx_ch = NULL;
@ -1590,7 +1590,7 @@ static int stm32_fmc2_nfc_dma_setup(struct stm32_fmc2_nfc *nfc)
nfc->dma_ecc_ch = dma_request_chan(nfc->dev, "ecc");
if (IS_ERR(nfc->dma_ecc_ch)) {
ret = PTR_ERR(nfc->dma_ecc_ch);
if (ret != -ENODEV)
if (ret != -ENODEV && ret != -EPROBE_DEFER)
dev_err(nfc->dev,
"failed to request ecc DMA channel: %d\n", ret);
nfc->dma_ecc_ch = NULL;