From: Boris Brezillon <boris.brezillon@collabora.com>
To: <patrice.chotard@foss.st.com>
Cc: Mark Brown <broonie@kernel.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
<linux-mtd@lists.infradead.org>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
<linux-spi@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <christophe.kerello@foss.st.com>
Subject: Re: [PATCH v4 3/3] spi: stm32-qspi: add automatic poll status feature
Date: Tue, 18 May 2021 16:37:07 +0200 [thread overview]
Message-ID: <20210518163707.0e6bd120@collabora.com> (raw)
In-Reply-To: <20210518134332.17826-4-patrice.chotard@foss.st.com>
On Tue, 18 May 2021 15:43:32 +0200
<patrice.chotard@foss.st.com> wrote:
> +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.
> + 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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next prev parent reply other threads:[~2021-05-18 14:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-18 13:43 [PATCH v4 0/3] MTD: spinand: Add spi_mem_poll_status() support patrice.chotard
2021-05-18 13:43 ` [PATCH v4 1/3] spi: spi-mem: add automatic poll status functions patrice.chotard
2021-05-18 14:12 ` Boris Brezillon
2021-05-18 14:33 ` Patrice CHOTARD
2021-05-18 13:43 ` [PATCH v4 2/3] mtd: spinand: use the spi-mem poll status APIs patrice.chotard
2021-05-18 14:18 ` Boris Brezillon
2021-05-18 14:34 ` Patrice CHOTARD
2021-05-18 14:19 ` Boris Brezillon
2021-05-18 13:43 ` [PATCH v4 3/3] spi: stm32-qspi: add automatic poll status feature patrice.chotard
2021-05-18 14:37 ` Boris Brezillon [this message]
2021-05-18 15:48 ` Patrice CHOTARD
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