From: Jarkko Nikula <jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Daniel Mack <daniel-cYrQPVfZoowdnm+yROfE0A@public.gmane.org>,
Haojian Zhuang
<haojian.zhuang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Robert Jarzmik <robert.jarzmik-GANU6spQydw@public.gmane.org>,
Andy Shevchenko
<andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Jarkko Nikula
<jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Subject: [PATCH 1/7] spi: pxa2xx: move debug messages to pump_transfer()
Date: Thu, 22 Oct 2015 16:44:39 +0300 [thread overview]
Message-ID: <1445521485-2029-1-git-send-email-jarkko.nikula@linux.intel.com> (raw)
From: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
The speed can be changed from transfer to transfer, that's why the messages
do not depict the actual values during ->setup(). Move debug messages from
->setup() to pump_transfers(). Get rid of leftovers as well.
Signed-off-by: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Signed-off-by: Jarkko Nikula <jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
---
drivers/spi/spi-pxa2xx.c | 28 +++++++++++-----------------
1 file changed, 11 insertions(+), 17 deletions(-)
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 82493c26d4e0..573a28b13a09 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -959,7 +959,18 @@ static void pump_transfers(unsigned long data)
"pump_transfers: DMA burst size reduced to match bits_per_word\n");
}
+ /* NOTE: PXA25x_SSP _could_ use external clocking ... */
cr0 = pxa2xx_configure_sscr0(drv_data, clk_div, bits);
+ if (!pxa25x_ssp_comp(drv_data))
+ dev_dbg(&message->spi->dev, "%u Hz actual, %s\n",
+ drv_data->master->max_speed_hz
+ / (1 + ((cr0 & SSCR0_SCR(0xfff)) >> 8)),
+ chip->enable_dma ? "DMA" : "PIO");
+ else
+ dev_dbg(&message->spi->dev, "%u Hz actual, %s\n",
+ drv_data->master->max_speed_hz / 2
+ / (1 + ((cr0 & SSCR0_SCR(0x0ff)) >> 8)),
+ chip->enable_dma ? "DMA" : "PIO");
message->state = RUNNING_STATE;
@@ -1103,9 +1114,7 @@ static int setup(struct spi_device *spi)
struct chip_data *chip;
const struct lpss_config *config;
struct driver_data *drv_data = spi_master_get_devdata(spi->master);
- unsigned int clk_div;
uint tx_thres, tx_hi_thres, rx_thres;
- u32 cr0;
switch (drv_data->ssp_type) {
case QUARK_X1000_SSP:
@@ -1196,8 +1205,6 @@ static int setup(struct spi_device *spi)
}
}
- clk_div = pxa2xx_ssp_get_clk_div(drv_data, chip, spi->max_speed_hz);
-
switch (drv_data->ssp_type) {
case QUARK_X1000_SSP:
chip->threshold = (QUARK_X1000_SSCR1_RxTresh(rx_thres)
@@ -1218,19 +1225,6 @@ static int setup(struct spi_device *spi)
if (spi->mode & SPI_LOOP)
chip->cr1 |= SSCR1_LBM;
- /* NOTE: PXA25x_SSP _could_ use external clocking ... */
- cr0 = pxa2xx_configure_sscr0(drv_data, clk_div, spi->bits_per_word);
- if (!pxa25x_ssp_comp(drv_data))
- dev_dbg(&spi->dev, "%u Hz actual, %s\n",
- drv_data->master->max_speed_hz
- / (1 + ((cr0 & SSCR0_SCR(0xfff)) >> 8)),
- chip->enable_dma ? "DMA" : "PIO");
- else
- dev_dbg(&spi->dev, "%u Hz actual, %s\n",
- drv_data->master->max_speed_hz / 2
- / (1 + ((cr0 & SSCR0_SCR(0x0ff)) >> 8)),
- chip->enable_dma ? "DMA" : "PIO");
-
if (spi->bits_per_word <= 8) {
chip->n_bytes = 1;
chip->read = u8_reader;
--
2.6.1
--
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next reply other threads:[~2015-10-22 13:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-22 13:44 Jarkko Nikula [this message]
[not found] ` <1445521485-2029-1-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-10-22 13:44 ` [PATCH 2/7] spi: pxa2xx: derive struct chip_data from struct drv_data Jarkko Nikula
[not found] ` <1445521485-2029-2-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-10-22 23:57 ` Applied "spi: pxa2xx: derive struct chip_data from struct drv_data" to the spi tree Mark Brown
2015-10-25 11:42 ` [PATCH 2/7] spi: pxa2xx: derive struct chip_data from struct drv_data Robert Jarzmik
2015-10-22 13:44 ` [PATCH 3/7] spi: pxa2xx: Convert unique ID string of ACPI device as unsigned integer Jarkko Nikula
[not found] ` <1445521485-2029-3-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-10-22 23:57 ` Applied "spi: pxa2xx: Convert unique ID string of ACPI device as unsigned integer" to the spi tree Mark Brown
2015-10-22 13:44 ` [PATCH 4/7] spi: pxa2xx: Save other reg_cs_ctrl bits when configuring chip select Jarkko Nikula
[not found] ` <1445521485-2029-4-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-10-22 23:57 ` Applied "spi: pxa2xx: Save other reg_cs_ctrl bits when configuring chip select" to the spi tree Mark Brown
2015-10-25 11:49 ` [PATCH 4/7] spi: pxa2xx: Save other reg_cs_ctrl bits when configuring chip select Robert Jarzmik
2015-10-22 13:44 ` [PATCH 5/7] spi: pxa2xx: Align a few defines Jarkko Nikula
[not found] ` <1445521485-2029-5-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-10-22 23:57 ` Applied "spi: pxa2xx: Align a few defines" to the spi tree Mark Brown
2015-10-25 11:50 ` [PATCH 5/7] spi: pxa2xx: Align a few defines Robert Jarzmik
2015-10-22 13:44 ` [PATCH 6/7] spi: pxa2xx: Add support for multiple LPSS chip select signals Jarkko Nikula
[not found] ` <1445521485-2029-6-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-10-25 12:02 ` Robert Jarzmik
[not found] ` <87bnbnkvg9.fsf-4ty26DBLk+jEm7gnYqmdkQ@public.gmane.org>
2015-10-26 9:35 ` Jarkko Nikula
2015-10-22 13:44 ` [PATCH 7/7] spi: pxa2xx: Add support for Intel Broxton Jarkko Nikula
[not found] ` <1445521485-2029-7-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-10-30 2:20 ` Mark Brown
2015-10-22 23:57 ` Applied "spi: pxa2xx: move debug messages to pump_transfer()" to the spi tree Mark Brown
2015-10-25 11:39 ` [PATCH 1/7] spi: pxa2xx: move debug messages to pump_transfer() Robert Jarzmik
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