Use the field_{get,prep}() helpers, instead of open-coding the same operations.
Signed-off-by: Geert Uytterhoeven geert+renesas@glider.be --- Compile-tested only. Marked RFC, as this depends on [PATCH 01/17], but follows a different path to upstream. --- drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c | 3 ++- drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 3 ++- drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c | 3 ++- drivers/pinctrl/aspeed/pinctrl-aspeed.c | 5 +++-- drivers/pinctrl/aspeed/pinmux-aspeed.c | 6 ++++-- 5 files changed, 13 insertions(+), 7 deletions(-)
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c index bfed0e2746437b4a..bfb2a7b229915a68 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c @@ -2,6 +2,7 @@ /* * Copyright (C) 2016 IBM Corp. */ +#include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/init.h> #include <linux/io.h> @@ -2551,7 +2552,7 @@ static int aspeed_g4_sig_expr_set(struct aspeed_pinmux_data *ctx, for (i = 0; i < expr->ndescs; i++) { const struct aspeed_sig_desc *desc = &expr->descs[i]; u32 pattern = enable ? desc->enable : desc->disable; - u32 val = (pattern << __ffs(desc->mask)); + u32 val = field_prep(desc->mask, pattern);
if (!ctx->maps[desc->ip]) return -ENODEV; diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c index 4c0d26606b6cc7d6..8cc6d9c1f1c78296 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c @@ -2,6 +2,7 @@ /* * Copyright (C) 2016 IBM Corp. */ +#include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/init.h> #include <linux/io.h> @@ -2724,7 +2725,7 @@ static int aspeed_g5_sig_expr_set(struct aspeed_pinmux_data *ctx, for (i = 0; i < expr->ndescs; i++) { const struct aspeed_sig_desc *desc = &expr->descs[i]; u32 pattern = enable ? desc->enable : desc->disable; - u32 val = (pattern << __ffs(desc->mask)); + u32 val = field_prep(desc->mask, pattern); struct regmap *map;
map = aspeed_g5_acquire_regmap(ctx, desc->ip); diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c index a3fa03bcd9a30577..00f7b69a74e9e743 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* Copyright (C) 2019 IBM Corp. */ +#include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/init.h> #include <linux/io.h> @@ -2649,7 +2650,7 @@ static int aspeed_g6_sig_expr_set(struct aspeed_pinmux_data *ctx, for (i = 0; i < expr->ndescs; i++) { const struct aspeed_sig_desc *desc = &expr->descs[i]; u32 pattern = enable ? desc->enable : desc->disable; - u32 val = (pattern << __ffs(desc->mask)); + u32 val = field_prep(desc->mask, pattern); bool is_strap;
if (!ctx->maps[desc->ip]) diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c index c94e24aadf922d2a..839ac48f75836352 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c @@ -3,6 +3,7 @@ * Copyright (C) 2016 IBM Corp. */
+#include <linux/bitfield.h> #include <linux/mfd/syscon.h> #include <linux/platform_device.h> #include <linux/slab.h> @@ -547,7 +548,7 @@ int aspeed_pin_config_get(struct pinctrl_dev *pctldev, unsigned int offset, return rc;
pmap = find_pinconf_map(pdata, param, MAP_TYPE_VAL, - (val & pconf->mask) >> __ffs(pconf->mask)); + field_get(pconf->mask, val));
if (!pmap) return -EINVAL; @@ -595,7 +596,7 @@ int aspeed_pin_config_set(struct pinctrl_dev *pctldev, unsigned int offset, if (WARN_ON(!pmap)) return -EINVAL;
- val = pmap->val << __ffs(pconf->mask); + val = field_prep(pconf->mask, pmap->val);
rc = regmap_update_bits(pdata->scu, pconf->reg, pconf->mask, val); diff --git a/drivers/pinctrl/aspeed/pinmux-aspeed.c b/drivers/pinctrl/aspeed/pinmux-aspeed.c index 4aa46383c2c533f0..61ddd550439325ee 100644 --- a/drivers/pinctrl/aspeed/pinmux-aspeed.c +++ b/drivers/pinctrl/aspeed/pinmux-aspeed.c @@ -3,6 +3,8 @@
/* Pieces to enable drivers to implement the .set callback */
+#include <linux/bitfield.h> + #include "pinmux-aspeed.h"
static const char *const aspeed_pinmux_ips[] = { @@ -17,7 +19,7 @@ static inline void aspeed_sig_desc_print_val( pr_debug("Want %s%X[0x%08X]=0x%X, got 0x%X from 0x%08X\n", aspeed_pinmux_ips[desc->ip], desc->reg, desc->mask, enable ? desc->enable : desc->disable, - (rv & desc->mask) >> __ffs(desc->mask), rv); + field_get(desc->mask, rv), rv); }
/** @@ -55,7 +57,7 @@ int aspeed_sig_desc_eval(const struct aspeed_sig_desc *desc, aspeed_sig_desc_print_val(desc, enabled, raw); want = enabled ? desc->enable : desc->disable;
- return ((raw & desc->mask) >> __ffs(desc->mask)) == want; + return field_get(desc->mask, raw) == want; }
/**