From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
patches@lists.linux.dev,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Ulf Hansson <ulf.hansson@linaro.org>
Subject: [PATCH 4.9 10/31] mmc: sdhci: use FIELD_GET for preset value bit masks
Date: Mon, 12 Dec 2022 14:19:28 +0100 [thread overview]
Message-ID: <20221212130910.510466202@linuxfoundation.org> (raw)
In-Reply-To: <20221212130909.943483205@linuxfoundation.org>
From: Masahiro Yamada <yamada.masahiro@socionext.com>
commit fa0910107a9fea170b817f31da2a65463e00e80e upstream.
Use the FIELD_GET macro to get access to the register fields.
Delete the shift macros.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Link: https://lore.kernel.org/r/20200312110050.21732-1-yamada.masahiro@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mmc/host/sdhci.c | 10 +++++-----
drivers/mmc/host/sdhci.h | 10 ++++------
2 files changed, 9 insertions(+), 11 deletions(-)
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -13,6 +13,7 @@
* - JMicron (hardware and technical support)
*/
+#include <linux/bitfield.h>
#include <linux/delay.h>
#include <linux/highmem.h>
#include <linux/io.h>
@@ -1266,10 +1267,9 @@ u16 sdhci_calc_clk(struct sdhci_host *ho
clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
pre_val = sdhci_get_preset_value(host);
- div = (pre_val & SDHCI_PRESET_SDCLK_FREQ_MASK)
- >> SDHCI_PRESET_SDCLK_FREQ_SHIFT;
+ div = FIELD_GET(SDHCI_PRESET_SDCLK_FREQ_MASK, pre_val);
if (host->clk_mul &&
- (pre_val & SDHCI_PRESET_CLKGEN_SEL_MASK)) {
+ (pre_val & SDHCI_PRESET_CLKGEN_SEL)) {
clk = SDHCI_PROG_CLOCK_MODE;
real_div = div + 1;
clk_mul = host->clk_mul;
@@ -1720,8 +1720,8 @@ static void sdhci_set_ios(struct mmc_hos
sdhci_enable_preset_value(host, true);
preset = sdhci_get_preset_value(host);
- ios->drv_type = (preset & SDHCI_PRESET_DRV_MASK)
- >> SDHCI_PRESET_DRV_SHIFT;
+ ios->drv_type = FIELD_GET(SDHCI_PRESET_DRV_MASK,
+ preset);
}
/* Re-enable SD Clock */
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -13,6 +13,7 @@
#ifndef __SDHCI_HW_H
#define __SDHCI_HW_H
+#include <linux/bits.h>
#include <linux/scatterlist.h>
#include <linux/compiler.h>
#include <linux/types.h>
@@ -244,12 +245,9 @@
#define SDHCI_PRESET_FOR_SDR104 0x6C
#define SDHCI_PRESET_FOR_DDR50 0x6E
#define SDHCI_PRESET_FOR_HS400 0x74 /* Non-standard */
-#define SDHCI_PRESET_DRV_MASK 0xC000
-#define SDHCI_PRESET_DRV_SHIFT 14
-#define SDHCI_PRESET_CLKGEN_SEL_MASK 0x400
-#define SDHCI_PRESET_CLKGEN_SEL_SHIFT 10
-#define SDHCI_PRESET_SDCLK_FREQ_MASK 0x3FF
-#define SDHCI_PRESET_SDCLK_FREQ_SHIFT 0
+#define SDHCI_PRESET_DRV_MASK GENMASK(15, 14)
+#define SDHCI_PRESET_CLKGEN_SEL BIT(10)
+#define SDHCI_PRESET_SDCLK_FREQ_MASK GENMASK(9, 0)
#define SDHCI_SLOT_INT_STATUS 0xFC
next prev parent reply other threads:[~2022-12-12 13:55 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-12 13:19 [PATCH 4.9 00/31] 4.9.336-rc1 review Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 01/31] arm: dts: rockchip: fix node name for hym8563 rtc Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 02/31] ARM: dts: rockchip: fix ir-receiver node names Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 03/31] ARM: 9251/1: perf: Fix stacktraces for tracepoint events in THUMB2 kernels Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 04/31] ALSA: seq: Fix function prototype mismatch in snd_seq_expand_var_event Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 05/31] ASoC: soc-pcm: Add NULL check in BE reparenting Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 06/31] xen/netback: Ensure protocol headers dont fall in the non-linear area Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 07/31] xen/netback: do some code cleanup Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 08/31] xen/netback: dont call kfree_skb() with interrupts disabled Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 09/31] rcutorture: Automatically create initrd directory Greg Kroah-Hartman
2022-12-12 13:19 ` Greg Kroah-Hartman [this message]
2022-12-12 13:19 ` [PATCH 4.9 11/31] mmc: sdhci: Fix voltage switch delay Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 12/31] media: v4l2-dv-timings.c: fix too strict blanking sanity checks Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 13/31] HID: hid-lg4ff: Add check for empty lbuf Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 14/31] HID: core: fix shift-out-of-bounds in hid_report_raw_event Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 15/31] ieee802154: cc2520: Fix error return code in cc2520_hw_init() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 16/31] gpio: amd8111: Fix PCI device reference count leak Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 17/31] e1000e: Fix TX dispatch condition Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 18/31] igb: Allocate MSI-X vector when testing Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 19/31] Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap_conn() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 20/31] mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 21/31] net: encx24j600: Add parentheses to fix precedence Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 22/31] net: encx24j600: Fix invalid logic in reading of MISTAT register Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 23/31] net: mvneta: Prevent out of bounds read in mvneta_config_rss() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 24/31] NFC: nci: Bounds check struct nfc_target arrays Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 25/31] net: hisilicon: Fix potential use-after-free in hisi_femac_rx() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 26/31] net: hisilicon: Fix potential use-after-free in hix5hd2_rx() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 27/31] tipc: Fix potential OOB in tipc_link_proto_rcv() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 28/31] ethernet: aeroflex: fix potential skb leak in greth_init_rings() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 29/31] xen/netback: fix build warning Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 30/31] net: plip: dont call kfree_skb/dev_kfree_skb() under spin_lock_irq() Greg Kroah-Hartman
2022-12-12 13:19 ` [PATCH 4.9 31/31] net: mvneta: Fix an out of bounds check Greg Kroah-Hartman
2022-12-12 18:14 ` [PATCH 4.9 00/31] 4.9.336-rc1 review Pavel Machek
2022-12-12 20:21 ` Slade Watkins
2022-12-12 20:34 ` Slade Watkins
2022-12-12 22:10 ` Florian Fainelli
2022-12-13 0:06 ` Shuah Khan
2022-12-13 0:23 ` Guenter Roeck
2022-12-13 12:09 ` Naresh Kamboju
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