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authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2023-12-29 16:50:59 +0200
committerLee Jones <lee@kernel.org>2024-02-23 14:58:00 +0000
commitfc99c0132210a0f8b6a601eda90cf4d5e25b041d (patch)
tree5f650aaaff59c6073afef03d3a1e9af94becdac9 /drivers/mfd
parent1d8c51ed2ddcc4161e6496cf14fcd83921c50ec8 (diff)
mfd: lpc_ich: Use ALIGN_DOWN() to obtain the start of the SPI base range
Instead of open coding, use ALIGN_DOWN() for alignment. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20231229145059.6138-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/lpc_ich.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index 73a0e7f9bd31..f14901660147 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -38,6 +38,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/align.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
@@ -1321,7 +1322,7 @@ static int lpc_ich_init_spi(struct pci_dev *dev)
case INTEL_SPI_BYT:
pci_read_config_dword(dev, SPIBASE_BYT, &spi_base);
if (spi_base & SPIBASE_BYT_EN) {
- res->start = spi_base & ~(SPIBASE_BYT_SZ - 1);
+ res->start = ALIGN_DOWN(spi_base, SPIBASE_BYT_SZ);
res->end = res->start + SPIBASE_BYT_SZ - 1;
info->set_writeable = lpc_ich_byt_set_writeable;