diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/fsi/fsi-core.c | 2 | ||||
-rw-r--r-- | drivers/fsi/fsi-master-aspeed.c | 7 | ||||
-rw-r--r-- | drivers/fsi/fsi-master-ast-cf.c | 5 | ||||
-rw-r--r-- | drivers/fsi/fsi-master-gpio.c | 5 | ||||
-rw-r--r-- | drivers/fsi/fsi-master-hub.c | 7 | ||||
-rw-r--r-- | drivers/fsi/fsi-master.h | 3 |
6 files changed, 21 insertions, 8 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 8244da8a7241..0743bba42757 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -1157,7 +1157,7 @@ static int fsi_master_write(struct fsi_master *master, int link, static int fsi_master_link_enable(struct fsi_master *master, int link) { if (master->link_enable) - return master->link_enable(master, link); + return master->link_enable(master, link, true); return 0; } diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c index b49dccf14315..6152cfe6d18e 100644 --- a/drivers/fsi/fsi-master-aspeed.c +++ b/drivers/fsi/fsi-master-aspeed.c @@ -301,7 +301,8 @@ static int aspeed_master_write(struct fsi_master *master, int link, return 0; } -static int aspeed_master_link_enable(struct fsi_master *master, int link) +static int aspeed_master_link_enable(struct fsi_master *master, int link, + bool enable) { struct fsi_master_aspeed *aspeed = to_fsi_master_aspeed(master); int idx, bit, ret; @@ -312,6 +313,10 @@ static int aspeed_master_link_enable(struct fsi_master *master, int link) reg = cpu_to_be32(0x80000000 >> bit); + if (!enable) + return opb_writel(aspeed, ctrl_base + FSI_MCENP0 + (4 * idx), + reg); + ret = opb_writel(aspeed, ctrl_base + FSI_MSENP0 + (4 * idx), reg); if (ret) return ret; diff --git a/drivers/fsi/fsi-master-ast-cf.c b/drivers/fsi/fsi-master-ast-cf.c index 85d9be38b32b..57a779a89b07 100644 --- a/drivers/fsi/fsi-master-ast-cf.c +++ b/drivers/fsi/fsi-master-ast-cf.c @@ -1039,7 +1039,8 @@ static void fsi_master_acf_setup_external(struct fsi_master_acf *master) gpiod_direction_input(master->gpio_data); } -static int fsi_master_acf_link_enable(struct fsi_master *_master, int link) +static int fsi_master_acf_link_enable(struct fsi_master *_master, int link, + bool enable) { struct fsi_master_acf *master = to_fsi_master_acf(_master); int rc = -EBUSY; @@ -1049,7 +1050,7 @@ static int fsi_master_acf_link_enable(struct fsi_master *_master, int link) mutex_lock(&master->lock); if (!master->external_mode) { - gpiod_set_value(master->gpio_enable, 1); + gpiod_set_value(master->gpio_enable, enable ? 1 : 0); rc = 0; } mutex_unlock(&master->lock); diff --git a/drivers/fsi/fsi-master-gpio.c b/drivers/fsi/fsi-master-gpio.c index 4dcce17f243f..aa97c4a250cb 100644 --- a/drivers/fsi/fsi-master-gpio.c +++ b/drivers/fsi/fsi-master-gpio.c @@ -678,7 +678,8 @@ static void fsi_master_gpio_init_external(struct fsi_master_gpio *master) gpiod_direction_input(master->gpio_data); } -static int fsi_master_gpio_link_enable(struct fsi_master *_master, int link) +static int fsi_master_gpio_link_enable(struct fsi_master *_master, int link, + bool enable) { struct fsi_master_gpio *master = to_fsi_master_gpio(_master); int rc = -EBUSY; @@ -688,7 +689,7 @@ static int fsi_master_gpio_link_enable(struct fsi_master *_master, int link) mutex_lock(&master->cmd_lock); if (!master->external_mode) { - gpiod_set_value(master->gpio_enable, 1); + gpiod_set_value(master->gpio_enable, enable ? 1 : 0); rc = 0; } mutex_unlock(&master->cmd_lock); diff --git a/drivers/fsi/fsi-master-hub.c b/drivers/fsi/fsi-master-hub.c index def35cf92571..1d3cf2da6a16 100644 --- a/drivers/fsi/fsi-master-hub.c +++ b/drivers/fsi/fsi-master-hub.c @@ -77,7 +77,8 @@ static int hub_master_break(struct fsi_master *master, int link) return hub_master_write(master, link, 0, addr, &cmd, sizeof(cmd)); } -static int hub_master_link_enable(struct fsi_master *master, int link) +static int hub_master_link_enable(struct fsi_master *master, int link, + bool enable) { struct fsi_master_hub *hub = to_fsi_master_hub(master); int idx, bit; @@ -89,6 +90,10 @@ static int hub_master_link_enable(struct fsi_master *master, int link) reg = cpu_to_be32(0x80000000 >> bit); + if (!enable) + return fsi_device_write(hub->upstream, FSI_MCENP0 + (4 * idx), + ®, 4); + rc = fsi_device_write(hub->upstream, FSI_MSENP0 + (4 * idx), ®, 4); mdelay(FSI_LINK_ENABLE_SETUP_TIME); diff --git a/drivers/fsi/fsi-master.h b/drivers/fsi/fsi-master.h index 6e8d4d4d5149..cd6bee5e12a7 100644 --- a/drivers/fsi/fsi-master.h +++ b/drivers/fsi/fsi-master.h @@ -130,7 +130,8 @@ struct fsi_master { uint32_t addr, const void *val, size_t size); int (*term)(struct fsi_master *, int link, uint8_t id); int (*send_break)(struct fsi_master *, int link); - int (*link_enable)(struct fsi_master *, int link); + int (*link_enable)(struct fsi_master *, int link, + bool enable); int (*link_config)(struct fsi_master *, int link, u8 t_send_delay, u8 t_echo_delay); }; |