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Date: Mon, 13 Sep 2021 15:14:25 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Chris Packham <chris.packham@...iedtelesis.co.nz>, Guenter Roeck <linux@...ck-us.net>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.13 204/300] hwmon: (pmbus/bpa-rs600) Dont use rated limits as warn limits From: Chris Packham <chris.packham@...iedtelesis.co.nz> [ Upstream commit 7a8c68c57fd09541377f6971f25efdeb9a926c37 ] In the initial implementation a number of PMBUS_x_WARN_LIMITs were mapped to MFR fields. This was incorrect as these MFR limits reflect the rated limit as opposed to a limit which will generate warning. Instead return -ENXIO like we were already doing for other WARN_LIMITs. Subsequently these rated limits have been exposed generically as new fields in the sysfs ABI so the values are still available. Fixes: 15b2703e5e02 ("hwmon: (pmbus) Add driver for BluTek BPA-RS600") Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz> Link: https://lore.kernel.org/r/20210812014000.26293-2-chris.packham@alliedtelesis.co.nz Signed-off-by: Guenter Roeck <linux@...ck-us.net> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/hwmon/pmbus/bpa-rs600.c | 25 ------------------------- 1 file changed, 25 deletions(-) diff --git a/drivers/hwmon/pmbus/bpa-rs600.c b/drivers/hwmon/pmbus/bpa-rs600.c index 2be69fedfa36..be76efe67d83 100644 --- a/drivers/hwmon/pmbus/bpa-rs600.c +++ b/drivers/hwmon/pmbus/bpa-rs600.c @@ -12,15 +12,6 @@ #include <linux/pmbus.h> #include "pmbus.h" -#define BPARS600_MFR_VIN_MIN 0xa0 -#define BPARS600_MFR_VIN_MAX 0xa1 -#define BPARS600_MFR_IIN_MAX 0xa2 -#define BPARS600_MFR_PIN_MAX 0xa3 -#define BPARS600_MFR_VOUT_MIN 0xa4 -#define BPARS600_MFR_VOUT_MAX 0xa5 -#define BPARS600_MFR_IOUT_MAX 0xa6 -#define BPARS600_MFR_POUT_MAX 0xa7 - static int bpa_rs600_read_byte_data(struct i2c_client *client, int page, int reg) { int ret; @@ -81,29 +72,13 @@ static int bpa_rs600_read_word_data(struct i2c_client *client, int page, int pha switch (reg) { case PMBUS_VIN_UV_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_VIN_MIN); - break; case PMBUS_VIN_OV_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_VIN_MAX); - break; case PMBUS_VOUT_UV_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_VOUT_MIN); - break; case PMBUS_VOUT_OV_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_VOUT_MAX); - break; case PMBUS_IIN_OC_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_IIN_MAX); - break; case PMBUS_IOUT_OC_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_IOUT_MAX); - break; case PMBUS_PIN_OP_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_PIN_MAX); - break; case PMBUS_POUT_OP_WARN_LIMIT: - ret = pmbus_read_word_data(client, 0, 0xff, BPARS600_MFR_POUT_MAX); - break; case PMBUS_VIN_UV_FAULT_LIMIT: case PMBUS_VIN_OV_FAULT_LIMIT: case PMBUS_VOUT_UV_FAULT_LIMIT: -- 2.30.2
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