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hwmon: (occ) Check for device property for setting OCC active during probe

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A previous commit changed the existing behavior of the driver to skip
attempting to communicate with the OCC during probe. Return to the
previous default behavior of automatically communicating with the OCC
and make it optional with a new device-tree property.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220809200701.218059-4-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Eddie James 2022-08-09 15:07:01 -05:00 • committed by Joel Stanley
parent 0fead4fc92
commit 89a286fb15
2 changed files with 19 additions and 1 deletions
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11
drivers/hwmon/occ/common.c
View file

@ -10,6 +10,7 @@
#include <linux/math64.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/property.h>
#include <linux/sysfs.h>
#include <asm/unaligned.h>
@ -1216,8 +1217,16 @@ int occ_setup(struct occ *occ)
occ->groups[0] = &occ->group;
rc = occ_setup_sysfs(occ);
if (rc)
if (rc) {
dev_err(occ->bus_dev, "failed to setup sysfs: %d\n", rc);
return rc;
}
if (!device_property_read_bool(occ->bus_dev, "ibm,no-poll-on-init")) {
rc = occ_active(occ, true);
if (rc)
occ_shutdown_sysfs(occ);
}
return rc;
}

9
drivers/hwmon/occ/p9_sbe.c
View file

@ -7,6 +7,7 @@
#include <linux/fsi-occ.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/string.h>
@ -181,9 +182,17 @@ static int p9_sbe_occ_remove(struct platform_device *pdev)
return 0;
}
static const struct of_device_id p9_sbe_occ_of_match[] = {
{ .compatible = "ibm,p9-occ-hwmon" },
{ .compatible = "ibm,p10-occ-hwmon" },
{}
};
MODULE_DEVICE_TABLE(of, p9_sbe_occ_of_match);
static struct platform_driver p9_sbe_occ_driver = {
.driver = {
.name = "occ-hwmon",
.of_match_table = p9_sbe_occ_of_match,
},
.probe = p9_sbe_occ_probe,
.remove = p9_sbe_occ_remove,