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dragonheart_kernel_oneplus_sm8150
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drivers/rapidio: Import OnePlus Changes 

Signed-off-by: Cyber Knight <cyberknight755@gmail.com>
This commit is contained in:
Cyber Knight 2021-09-26 01:50:02 +08:00
parent 63269dedbb
commit d0ff892c18
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GPG Key ID: 23BD4CCD326E9D64
2 changed files with 15 additions and 19 deletions
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2
drivers/rapidio/Kconfig
View File

@ -25,7 +25,7 @@ config RAPIDIO_ENABLE_RX_TX_PORTS
config RAPIDIO_DMA_ENGINE
bool "DMA Engine support for RapidIO"
depends on RAPIDIO
depends on DMADEVICES
select DMADEVICES
select DMA_ENGINE
help
Say Y here if you want to use DMA Engine frameork for RapidIO data

24
drivers/rapidio/devices/rio_mport_cdev.c
View File

@ -900,16 +900,15 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode,
rmcd_error("get_user_pages_unlocked err=%ld",
pinned);
nr_pages = 0;
} else {
} else
rmcd_error("pinned %ld out of %ld pages",
pinned, nr_pages);
ret = -EFAULT;
/*
* Set nr_pages up to mean "how many pages to unpin, in
* the error handler:
*/
nr_pages = pinned;
}
ret = -EFAULT;
goto err_pg;
}
@ -1739,7 +1738,6 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv,
struct rio_dev *rdev;
struct rio_switch *rswitch = NULL;
struct rio_mport *mport;
struct device *dev;
size_t size;
u32 rval;
u32 swpinfo = 0;
@ -1754,10 +1752,8 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv,
rmcd_debug(RDEV, "name:%s ct:0x%x did:0x%x hc:0x%x", dev_info.name,
dev_info.comptag, dev_info.destid, dev_info.hopcount);
dev = bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name);
if (dev) {
if (bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name)) {
rmcd_debug(RDEV, "device %s already exists", dev_info.name);
put_device(dev);
return -EEXIST;
}
@ -2468,6 +2464,13 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport)
cdev_init(&md->cdev, &mport_fops);
md->cdev.owner = THIS_MODULE;
ret = cdev_device_add(&md->cdev, &md->dev);
if (ret) {
rmcd_error("Failed to register mport %d (err=%d)",
mport->id, ret);
goto err_cdev;
}
INIT_LIST_HEAD(&md->doorbells);
spin_lock_init(&md->db_lock);
INIT_LIST_HEAD(&md->portwrites);
@ -2487,13 +2490,6 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport)
#else
md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER;
#endif
ret = cdev_device_add(&md->cdev, &md->dev);
if (ret) {
rmcd_error("Failed to register mport %d (err=%d)",
mport->id, ret);
goto err_cdev;
}
ret = rio_query_mport(mport, &attr);
if (!ret) {
md->properties.flags = attr.flags;