Re: [PATCH v4 3/3] spi: stm32-qspi: add automatic poll status feature
From: Patrice CHOTARD <patrice.chotard@foss.st.com>
Date: 2021-05-18 15:49:11
Also in:
linux-spi, lkml
On 5/18/21 4:37 PM, Boris Brezillon wrote:
On Tue, 18 May 2021 15:43:32 +0200 [off-list ref] wrote:quoted
+static int stm32_qspi_poll_status(struct spi_mem *mem, const struct spi_mem_op *op, + u16 mask, u16 match, + unsigned long initial_delay_us, + unsigned long polling_rate_us, + unsigned long timeout_ms) +{ + struct stm32_qspi *qspi = spi_controller_get_devdata(mem->spi->master); + int ret; +The spi_mem_supports_op() call is still missing.
Yes, i forgot it Thanks Patrice
quoted
+ ret = pm_runtime_get_sync(qspi->dev); + if (ret < 0) { + pm_runtime_put_noidle(qspi->dev); + return ret; + } + + mutex_lock(&qspi->lock); + + writel_relaxed(mask, qspi->io_base + QSPI_PSMKR); + writel_relaxed(match, qspi->io_base + QSPI_PSMAR); + qspi->fmode = CCR_FMODE_APM; + qspi->status_timeout = timeout_ms; + + ret = stm32_qspi_send(mem, op); + mutex_unlock(&qspi->lock); + + pm_runtime_mark_last_busy(qspi->dev); + pm_runtime_put_autosuspend(qspi->dev); + + return ret; +}
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