diff options
| author | Mark Brown <broonie@kernel.org> | 2019-07-04 17:35:07 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-07-04 17:35:07 +0100 |
| commit | 106dbe24d4146c0804cb025e450ac7af42d72356 (patch) | |
| tree | ad196f245894a8546603f8472619f9e5b73b8265 /drivers/spi/atmel-quadspi.c | |
| parent | 2337ff45293f36efa79247b3680223b9c9154392 (diff) | |
| parent | 8cc7720470a17558bd6f8d67df63361600e46c55 (diff) | |
Merge branch 'spi-5.3' into spi-next
Diffstat (limited to 'drivers/spi/atmel-quadspi.c')
| -rw-r--r-- | drivers/spi/atmel-quadspi.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index 9f24d5f0b431..6a7d7b553d95 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -151,6 +151,7 @@ struct atmel_qspi { const struct atmel_qspi_caps *caps; u32 pending; u32 mr; + u32 scr; struct completion cmd_completion; }; @@ -382,7 +383,7 @@ static int atmel_qspi_setup(struct spi_device *spi) struct spi_controller *ctrl = spi->master; struct atmel_qspi *aq = spi_controller_get_devdata(ctrl); unsigned long src_rate; - u32 scr, scbr; + u32 scbr; if (ctrl->busy) return -EBUSY; @@ -399,13 +400,13 @@ static int atmel_qspi_setup(struct spi_device *spi) if (scbr > 0) scbr--; - scr = QSPI_SCR_SCBR(scbr); - writel_relaxed(scr, aq->regs + QSPI_SCR); + aq->scr = QSPI_SCR_SCBR(scbr); + writel_relaxed(aq->scr, aq->regs + QSPI_SCR); return 0; } -static int atmel_qspi_init(struct atmel_qspi *aq) +static void atmel_qspi_init(struct atmel_qspi *aq) { /* Reset the QSPI controller */ writel_relaxed(QSPI_CR_SWRST, aq->regs + QSPI_CR); @@ -416,8 +417,6 @@ static int atmel_qspi_init(struct atmel_qspi *aq) /* Enable the QSPI controller */ writel_relaxed(QSPI_CR_QSPIEN, aq->regs + QSPI_CR); - - return 0; } static irqreturn_t atmel_qspi_interrupt(int irq, void *dev_id) @@ -536,9 +535,7 @@ static int atmel_qspi_probe(struct platform_device *pdev) if (err) goto disable_qspick; - err = atmel_qspi_init(aq); - if (err) - goto disable_qspick; + atmel_qspi_init(aq); err = spi_register_controller(ctrl); if (err) @@ -587,7 +584,11 @@ static int __maybe_unused atmel_qspi_resume(struct device *dev) clk_prepare_enable(aq->pclk); clk_prepare_enable(aq->qspick); - return atmel_qspi_init(aq); + atmel_qspi_init(aq); + + writel_relaxed(aq->scr, aq->regs + QSPI_SCR); + + return 0; } static SIMPLE_DEV_PM_OPS(atmel_qspi_pm_ops, atmel_qspi_suspend, |