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mfd: lpc_ich: Use ALIGN_DOWN() to obtain the start of the SPI base range

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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>
This commit is contained in:
Ilpo Järvinen 2023-12-29 16:50:59 +02:00 committed by Lee Jones
parent 1d8c51ed2d
commit fc99c01322
1 changed files with 2 additions and 1 deletions
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3
drivers/mfd/lpc_ich.c
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@ -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;