fsi: scom: Remove PIB reset during probe (52b7116e) · Commits · 戴 / test

The PIB reset causes problems for the running P9 chip. The reset shouldn't be performed by this driver. Signed-off-by:

drivers/fsi/fsi-scom.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -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);
		}