diff options
| author | Sven Peter <sven@svenpeter.dev> | 2021-10-08 19:35:23 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2021-10-11 12:44:55 +0300 |
| commit | 3a7442ac1d1bfbe17f7c6cbc69756c529d7dda14 (patch) | |
| tree | c731215fee2b171368278e623547e93d610bdac5 | |
| parent | df7c4a8c1b47dc250d5525e68e785d9e65705e10 (diff) | |
| download | linux-3a7442ac1d1bfbe17f7c6cbc69756c529d7dda14.tar.xz | |
i2c: pasemi: Use io{read,write}32
In preparation for splitting this driver up into a platform_driver
and a pci_driver, replace outl/inl usage with pci_iomap and
ioread32/iowrite32.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Olof Johansson <olof@lixom.net>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
| -rw-r--r-- | drivers/i2c/busses/i2c-pasemi.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c index 20f2772c0e79..39fcc584264a 100644 --- a/drivers/i2c/busses/i2c-pasemi.c +++ b/drivers/i2c/busses/i2c-pasemi.c @@ -20,6 +20,7 @@ static struct pci_driver pasemi_smb_driver; struct pasemi_smbus { struct pci_dev *dev; struct i2c_adapter adapter; + void __iomem *ioaddr; unsigned long base; int size; }; @@ -53,13 +54,13 @@ static inline void reg_write(struct pasemi_smbus *smbus, int reg, int val) { dev_dbg(&smbus->dev->dev, "smbus write reg %lx val %08x\n", smbus->base + reg, val); - outl(val, smbus->base + reg); + iowrite32(val, smbus->ioaddr + reg); } static inline int reg_read(struct pasemi_smbus *smbus, int reg) { int ret; - ret = inl(smbus->base + reg); + ret = ioread32(smbus->ioaddr + reg); dev_dbg(&smbus->dev->dev, "smbus read reg %lx val %08x\n", smbus->base + reg, ret); return ret; @@ -351,6 +352,12 @@ static int pasemi_smb_probe(struct pci_dev *dev, goto out_kfree; } + smbus->ioaddr = pci_iomap(dev, 0, 0); + if (!smbus->ioaddr) { + error = -EBUSY; + goto out_release_region; + } + smbus->adapter.owner = THIS_MODULE; snprintf(smbus->adapter.name, sizeof(smbus->adapter.name), "PA Semi SMBus adapter at 0x%lx", smbus->base); @@ -366,12 +373,14 @@ static int pasemi_smb_probe(struct pci_dev *dev, error = i2c_add_adapter(&smbus->adapter); if (error) - goto out_release_region; + goto out_ioport_unmap; pci_set_drvdata(dev, smbus); return 0; + out_ioport_unmap: + pci_iounmap(dev, smbus->ioaddr); out_release_region: release_region(smbus->base, smbus->size); out_kfree: @@ -384,6 +393,7 @@ static void pasemi_smb_remove(struct pci_dev *dev) struct pasemi_smbus *smbus = pci_get_drvdata(dev); i2c_del_adapter(&smbus->adapter); + pci_iounmap(dev, smbus->ioaddr); release_region(smbus->base, smbus->size); kfree(smbus); } |