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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-10-22 16:44:39 +0300
committerMark Brown <broonie@kernel.org>2015-10-23 08:56:05 +0900
commitd74c4b1c61ecc5ad8158ac649245fdfc9601c1b5 (patch)
tree722e08510c18940add0cc2138172b5f5f7bf5341 /drivers/spi
parent3ad48062233f32a8dd2649403f5afc076710f86b (diff)
downloadtalos-obmc-linux-d74c4b1c61ecc5ad8158ac649245fdfc9601c1b5.tar.gz
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spi: pxa2xx: move debug messages to pump_transfer()
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@linux.intel.com> Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-pxa2xx.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 158967a10bec..986a2911e94e 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -955,7 +955,18 @@ 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;
@@ -1099,9 +1110,7 @@ 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:
@@ -1192,8 +1201,6 @@ 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)
@@ -1214,19 +1221,6 @@ 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;
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