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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-10-14 23:12:23 +0300
committerMark Brown <broonie@kernel.org>2015-10-19 22:32:01 +0300
commit1cc3f141f0cb5a822cdef30fb1d92ae6f4176bfa (patch)
tree1d3bfb1afa2c139db80fcdd232f38ef841777911 /drivers/spi/spi-dw.c
parentd53c0ef319eb5ceb5a089ff3050a2e6808c9adb9 (diff)
downloadlinux-1cc3f141f0cb5a822cdef30fb1d92ae6f4176bfa.tar.xz
spi: dw: introduce spi_shutdown_chip()
This helper disables SPI controller and sets clock to 0. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-dw.c')
-rw-r--r--drivers/spi/spi-dw.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index c8e7715097e7..a730c353d3bf 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -546,22 +546,21 @@ void dw_spi_remove_host(struct dw_spi *dws)
if (dws->dma_ops && dws->dma_ops->dma_exit)
dws->dma_ops->dma_exit(dws);
- spi_enable_chip(dws, 0);
- /* Disable clk */
- spi_set_clk(dws, 0);
+
+ spi_shutdown_chip(dws);
}
EXPORT_SYMBOL_GPL(dw_spi_remove_host);
int dw_spi_suspend_host(struct dw_spi *dws)
{
- int ret = 0;
+ int ret;
ret = spi_master_suspend(dws->master);
if (ret)
return ret;
- spi_enable_chip(dws, 0);
- spi_set_clk(dws, 0);
- return ret;
+
+ spi_shutdown_chip(dws);
+ return 0;
}
EXPORT_SYMBOL_GPL(dw_spi_suspend_host);