diff options
| author |   Eddie James <eajames@linux.vnet.ibm.com> | 2018-05-08 17:43:32 -0500 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-12 14:05:34 +1000 |
| commit | 52b7116e885e95a0d4206cca7f11ef332bb1dd89 (patch) | |
| tree | e5d217fb7cd2cb69f7a612ef3b7eeffc2d06674f /drivers/fsi | |
| parent | fsi/master-gpio: Replace bit_bit lock with IRQ disable/enable (diff) | |
| download | linux-dev-52b7116e885e95a0d4206cca7f11ef332bb1dd89.tar.xz linux-dev-52b7116e885e95a0d4206cca7f11ef332bb1dd89.zip | |
fsi: scom: Remove PIB reset during probe
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@linux.vnet.ibm.com>
Reviewed-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/fsi')
| -rw-r--r-- | drivers/fsi/fsi-scom.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/fsi/fsi-scom.c b/drivers/fsi/fsi-scom.c index e13353a2fd7c..c8eb5e5b94a7 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 const struct file_operations scom_fops = { 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); } |