[PATCH linux dev-4.13] fsi: scom: Remove PIB reset during probe
Eddie James
eajames at linux.vnet.ibm.com
Wed May 9 08:43:32 AEST 2018
The PIB reset causes problems for the running P9 chip. The reset
shouldn't be performed by this driver.
Signed-off-by: Eddie James <eajames at linux.vnet.ibm.com>
---
drivers/fsi/fsi-scom.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/fsi/fsi-scom.c b/drivers/fsi/fsi-scom.c
index e13353a..c8eb5e5 100644
--- a/drivers/fsi/fsi-scom.c
+++ b/drivers/fsi/fsi-scom.c
@@ -26,15 +26,11 @@
#define FSI_ENGID_SCOM 0x5
-#define SCOM_FSI2PIB_DELAY 50
-
/* SCOM engine register set */
#define SCOM_DATA0_REG 0x00
#define SCOM_DATA1_REG 0x04
#define SCOM_CMD_REG 0x08
-#define SCOM_RESET_REG 0x1C
-#define SCOM_RESET_CMD 0x80000000
#define SCOM_WRITE_CMD 0x80000000
struct scom_device {
@@ -180,7 +176,6 @@ static loff_t scom_llseek(struct file *file, loff_t offset, int whence)
static int scom_probe(struct device *dev)
{
- uint32_t data;
struct fsi_device *fsi_dev = to_fsi_dev(dev);
struct scom_device *scom;
@@ -197,9 +192,6 @@ static int scom_probe(struct device *dev)
scom->mdev.parent = dev;
list_add(&scom->link, &scom_devices);
- data = cpu_to_be32(SCOM_RESET_CMD);
- fsi_device_write(fsi_dev, SCOM_RESET_REG, &data, sizeof(uint32_t));
-
return misc_register(&scom->mdev);
}
--
1.8.3.1
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