Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-10-22 21:20:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

mfd: mc13xxx: Use bitfield helpers

Browse Source 
Use the FIELD_GET() helper, instead of defining a custom macro
implementing the same operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/ef7d5fc3d867338520392417cdf2b67ba19aecde.1708002264.git.geert+renesas@glider.be
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2024-02-15 14:07:13 +01:00 committed by Lee Jones
parent a2caf6036c
commit 3e038941c5
1 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/mfd/mc13xxx-core.c
View File

@ -7,6 +7,7 @@
* Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
*/
#include <linux/bitfield.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
@ -174,28 +175,27 @@ int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev)
}
EXPORT_SYMBOL(mc13xxx_irq_free);
#define maskval(reg, mask) (((reg) & (mask)) >> __ffs(mask))
static void mc13xxx_print_revision(struct mc13xxx *mc13xxx, u32 revision)
{
dev_info(mc13xxx->dev, "%s: rev: %d.%d, "
"fin: %d, fab: %d, icid: %d/%d\n",
mc13xxx->variant->name,
maskval(revision, MC13XXX_REVISION_REVFULL),
maskval(revision, MC13XXX_REVISION_REVMETAL),
maskval(revision, MC13XXX_REVISION_FIN),
maskval(revision, MC13XXX_REVISION_FAB),
maskval(revision, MC13XXX_REVISION_ICID),
maskval(revision, MC13XXX_REVISION_ICIDCODE));
FIELD_GET(MC13XXX_REVISION_REVFULL, revision),
FIELD_GET(MC13XXX_REVISION_REVMETAL, revision),
FIELD_GET(MC13XXX_REVISION_FIN, revision),
FIELD_GET(MC13XXX_REVISION_FAB, revision),
FIELD_GET(MC13XXX_REVISION_ICID, revision),
FIELD_GET(MC13XXX_REVISION_ICIDCODE, revision));
}
static void mc34708_print_revision(struct mc13xxx *mc13xxx, u32 revision)
{
dev_info(mc13xxx->dev, "%s: rev %d.%d, fin: %d, fab: %d\n",
mc13xxx->variant->name,
maskval(revision, MC34708_REVISION_REVFULL),
maskval(revision, MC34708_REVISION_REVMETAL),
maskval(revision, MC34708_REVISION_FIN),
maskval(revision, MC34708_REVISION_FAB));
FIELD_GET(MC34708_REVISION_REVFULL, revision),
FIELD_GET(MC34708_REVISION_REVMETAL, revision),
FIELD_GET(MC34708_REVISION_FIN, revision),
FIELD_GET(MC34708_REVISION_FAB, revision));
}
/* These are only exported for mc13xxx-i2c and mc13xxx-spi */