From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "Wolfram Sang" <wsa+renesas@sang-engineering.com>,
"Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>,
"Wolfram Sang" <wsa@kernel.org>,
"Sasha Levin" <sashal@kernel.org>,
linux-i2c@vger.kernel.org
Subject: [PATCH AUTOSEL 5.10 02/47] i2c: rcar: optimize cacheline to minimize HW race condition
Date: Tue, 2 Mar 2021 06:56:01 -0500 [thread overview]
Message-ID: <20210302115646.62291-2-sashal@kernel.org> (raw)
In-Reply-To: <20210302115646.62291-1-sashal@kernel.org>
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
[ Upstream commit 25c2e0fb5fefb8d7847214cf114d94c7aad8e9ce ]
'flags' and 'io' are needed first, so they should be at the beginning of
the private struct.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/i2c/busses/i2c-rcar.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 824586d7ee56..ad6630e3cc77 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -119,6 +119,7 @@ enum rcar_i2c_type {
};
struct rcar_i2c_priv {
+ u32 flags;
void __iomem *io;
struct i2c_adapter adap;
struct i2c_msg *msg;
@@ -129,7 +130,6 @@ struct rcar_i2c_priv {
int pos;
u32 icccr;
- u32 flags;
u8 recovery_icmcr; /* protected by adapter lock */
enum rcar_i2c_type devtype;
struct i2c_client *slave;
--
2.30.1
next prev parent reply other threads:[~2021-03-03 1:21 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-02 11:56 [PATCH AUTOSEL 5.10 01/47] i2c: rcar: faster irq code to minimize HW race condition Sasha Levin
2021-03-02 11:56 ` Sasha Levin [this message]
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 03/47] scsi: ufs: Add a quirk to permit overriding UniPro defaults Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 04/47] scsi: ufs: WB is only available on LUN #0 to #7 Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 05/47] scsi: ufs: Introduce a quirk to allow only page-aligned sg entries Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 06/47] udf: fix silent AED tagLocation corruption Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 07/47] iommu/vt-d: Clear PRQ overflow only when PRQ is empty Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 08/47] mmc: mxs-mmc: Fix a resource leak in an error handling path in 'mxs_mmc_probe()' Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 09/47] mmc: sdhci-of-dwcmshc: set SDHCI_QUIRK2_PRESET_VALUE_BROKEN Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 10/47] mmc: mediatek: fix race condition between msdc_request_timeout and irq Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 11/47] mmc: sdhci-iproc: Add ACPI bindings for the RPi Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 16:16 ` Jeremy Linton
2021-03-02 16:16 ` Jeremy Linton
2021-03-12 22:12 ` Sasha Levin
2021-03-12 22:12 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 12/47] Platform: OLPC: Fix probe error handling Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 13/47] powerpc/pci: Add ppc_md.discover_phbs() Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 14/47] HID: i2c-hid: Add I2C_HID_QUIRK_NO_IRQ_AFTER_RESET for ITE8568 EC on Voyo Winpad A15 Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 15/47] spi: stm32: make spurious and overrun interrupts visible Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 16/47] powerpc: improve handling of unrecoverable system reset Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 17/47] powerpc/perf: Record counter overflow always if SAMPLE_IP is unset Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 18/47] kunit: tool: fix unit test cleanup handling Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 19/47] HID: logitech-dj: add support for the new lightspeed connection iteration Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 20/47] powerpc/64: Fix stack trace not displaying final frame Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 21/47] iommu/amd: Fix performance counter initialization Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 22/47] clk: qcom: gdsc: Implement NO_RET_PERIPH flag Sasha Levin
2021-03-02 23:04 ` Stephen Boyd
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 23/47] sparc32: Limit memblock allocation to low memory Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 24/47] sparc64: Use arch_validate_flags() to validate ADI flag Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 25/47] ACPICA: Fix race in generic_serial_bus (I2C) and GPIO op_region parameter handling Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 26/47] Input: applespi - don't wait for responses to commands indefinitely Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 27/47] x86, build: use objtool mcount Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 28/47] PCI: xgene-msi: Fix race in installing chained irq handler Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 29/47] misc: eeprom_93xx46: Add quirk to support Microchip 93LC46B eeprom Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 30/47] PCI: mediatek: Add missing of_node_put() to fix reference leak Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 31/47] drivers/base: build kunit tests without structleak plugin Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 32/47] drm/msm/a5xx: Remove overwriting A5XX_PC_DBG_ECO_CNTL register Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 33/47] PCI/LINK: Remove bandwidth notification Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 34/47] ext4: don't try to processed freed blocks until mballoc is initialized Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 35/47] PCI: cadence: Retrain Link to work around Gen2 training defect Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 36/47] kbuild: clamp SUBLEVEL to 255 Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 37/47] PCI: Fix pci_register_io_range() memory leak Sasha Levin
2021-03-02 11:56 ` [Intel-wired-lan] [PATCH AUTOSEL 5.10 38/47] i40e: Fix memory leak in i40e_probe Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 39/47] kasan: fix memory corruption in kasan_bitops_tags test Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 40/47] riscv: Get rid of MAX_EARLY_MAPPING_SIZE Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 41/47] s390/smp: __smp_rescan_cpus() - move cpumask away from stack Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 42/47] drivers/base/memory: don't store phys_device in memory blocks Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 43/47] sysctl.c: fix underflow value setting risk in vm_table Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 44/47] scsi: libiscsi: Fix iscsi_prep_scsi_cmd_pdu() error handling Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 45/47] nbd: handle device refs for DESTROY_ON_DISCONNECT properly Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 46/47] scsi: target: core: Add cmd length set before cmd complete Sasha Levin
2021-03-02 11:56 ` Sasha Levin
2021-03-02 11:56 ` [PATCH AUTOSEL 5.10 47/47] scsi: target: core: Prevent underflow for service actions Sasha Levin
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