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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-02-25 19:23:40 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-02-28 12:10:17 +0000 |
| commit | 78e27f970f73a4ee57dc050a6233e09a56963391 (patch) | |
| tree | 65e6c083f3b55e35de74b103da60dd7021a365e2 /drivers/spi | |
| parent | 83854c231262d2ad43c4fb32414ba25304f925d8 (diff) | |
| download | linux-78e27f970f73a4ee57dc050a6233e09a56963391.tar.bz2 | |
spi: pxa2xx-pci: Refactor CE4100 to use ->setup()
Refactor CE4100 handling code to use ->setup() instead of spreading
potentially confusing conditional.
Besides that, it will allow to refactor further to avoid intermediate
storage for the used configuration parameters.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-pxa2xx-pci.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index 6d60972e4e20..bd20379d9342 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -30,7 +30,7 @@ enum { struct pxa_spi_info { enum pxa_ssp_type type; int port_id; - int num_chipselect; + unsigned int num_chipselect; unsigned long max_clk_rate; /* DMA channel request parameters */ @@ -114,6 +114,14 @@ static int lpss_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c) return 0; } +static int ce4100_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c) +{ + c->num_chipselect = dev->devfn; + c->max_clk_rate = 3686400; + + return 0; +} + static int mrfld_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c) { struct dw_dma_slave *tx, *rx; @@ -163,8 +171,7 @@ static struct pxa_spi_info spi_info_configs[] = { [PORT_CE4100] = { .type = PXA25x_SSP, .port_id = -1, - .num_chipselect = -1, - .max_clk_rate = 3686400, + .setup = ce4100_spi_setup, }, [PORT_BYT] = { .type = LPSS_BYT_SSP, @@ -248,7 +255,7 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev, } memset(&spi_pdata, 0, sizeof(spi_pdata)); - spi_pdata.num_chipselect = (c->num_chipselect > 0) ? c->num_chipselect : dev->devfn; + spi_pdata.num_chipselect = c->num_chipselect; spi_pdata.dma_filter = c->dma_filter; spi_pdata.tx_param = c->tx_param; spi_pdata.rx_param = c->rx_param; |