From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Mark Brown <broonie@kernel.org>,
Cezary Rojewski <cezary.rojewski@intel.com>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org,
alsa-devel@alsa-project.org
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Liam Girdwood <liam.r.girdwood@linux.intel.com>,
Jie Yang <yang.jie@linux.intel.com>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>
Subject: [PATCH v1 11/14] spi: pxa2xx: Extract clear_SSCR1_bits() helper
Date: Fri, 23 Apr 2021 19:34:34 +0300 [thread overview]
Message-ID: <20210423163437.89306-11-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20210423163437.89306-1-andriy.shevchenko@linux.intel.com>
There are few places that repeat the logic of "clear some bits in SSCR1".
Extract clear_SSCR1_bits() helper to deduplicate that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/spi/spi-pxa2xx-dma.c | 4 +---
drivers/spi/spi-pxa2xx.c | 7 ++-----
drivers/spi/spi-pxa2xx.h | 5 +++++
3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c
index 5ca01ad7f460..e581027e99f9 100644
--- a/drivers/spi/spi-pxa2xx-dma.c
+++ b/drivers/spi/spi-pxa2xx-dma.c
@@ -41,9 +41,7 @@ static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data,
}
/* Clear status & disable interrupts */
- pxa2xx_spi_write(drv_data, SSCR1,
- pxa2xx_spi_read(drv_data, SSCR1)
- & ~drv_data->dma_cr1);
+ clear_SSCR1_bits(drv_data, drv_data->dma_cr1);
write_SSSR_CS(drv_data, drv_data->clear_sr);
if (!pxa25x_ssp_comp(drv_data))
pxa2xx_spi_write(drv_data, SSTO, 0);
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 4b3237f14ead..58178ba704dc 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -733,8 +733,7 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
static void handle_bad_msg(struct driver_data *drv_data)
{
pxa2xx_spi_off(drv_data);
- pxa2xx_spi_write(drv_data, SSCR1,
- pxa2xx_spi_read(drv_data, SSCR1) & ~drv_data->int_cr1);
+ clear_SSCR1_bits(drv_data, drv_data->int_cr1);
if (!pxa25x_ssp_comp(drv_data))
pxa2xx_spi_write(drv_data, SSTO, 0);
write_SSSR_CS(drv_data, drv_data->clear_sr);
@@ -1161,9 +1160,7 @@ static void pxa2xx_spi_handle_err(struct spi_controller *controller,
pxa2xx_spi_off(drv_data);
/* Clear and disable interrupts and service requests */
write_SSSR_CS(drv_data, drv_data->clear_sr);
- pxa2xx_spi_write(drv_data, SSCR1,
- pxa2xx_spi_read(drv_data, SSCR1)
- & ~(drv_data->int_cr1 | drv_data->dma_cr1));
+ clear_SSCR1_bits(drv_data, drv_data->int_cr1 | drv_data->dma_cr1);
if (!pxa25x_ssp_comp(drv_data))
pxa2xx_spi_write(drv_data, SSTO, 0);
diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h
index b6dae0981b61..398dbd680208 100644
--- a/drivers/spi/spi-pxa2xx.h
+++ b/drivers/spi/spi-pxa2xx.h
@@ -105,6 +105,11 @@ static inline int pxa25x_ssp_comp(struct driver_data *drv_data)
}
}
+static inline void clear_SSCR1_bits(const struct driver_data *drv_data, u32 bits)
+{
+ pxa2xx_spi_write(drv_data, SSCR1, pxa2xx_spi_read(drv_data, SSCR1) & ~bits);
+}
+
static inline void write_SSSR_CS(struct driver_data *drv_data, u32 val)
{
if (drv_data->ssp_type == CE4100_SSP ||
--
2.30.2
next prev parent reply other threads:[~2021-04-23 16:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 16:34 [PATCH v1 01/14] spi: pxa2xx: Use one point of return when ->probe() fails Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 02/14] spi: pxa2xx: Utilize MMIO and physical base from struct ssp_device Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 03/14] spi: pxa2xx: Utilize struct device " Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 04/14] spi: pxa2xx: Replace header inclusions by forward declarations Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 05/14] spi: pxa2xx: Consolidate related headers under include/linux/spi Andy Shevchenko
2021-04-23 16:56 ` Mark Brown
2021-04-23 17:30 ` Andy Shevchenko
2021-04-23 17:49 ` Mark Brown
2021-04-23 16:34 ` [PATCH v1 06/14] spi: pxa2xx: Group Intel Quark specific definitions Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 07/14] spi: pxa2xx: Introduce int_stop_and_reset() helper Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 08/14] spi: pxa2xx: Reuse int_error_stop() in pxa2xx_spi_slave_abort() Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 09/14] spi: pxa2xx: Use pxa_ssp_enable()/pxa_ssp_disable() in the driver Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 10/14] spi: pxa2xx: Extract pxa2xx_spi_update() helper Andy Shevchenko
2021-04-23 16:34 ` Andy Shevchenko [this message]
2021-04-23 16:34 ` [PATCH v1 12/14] spi: pxa2xx: Extract read_SSSR_bits() helper Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 13/14] spi: pxa2xx: Constify struct driver_data parameter Andy Shevchenko
2021-04-23 16:34 ` [PATCH v1 14/14] spi: pxa2xx: Introduce special type for Merrifield SPIs Andy Shevchenko
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