diff options
| author |   Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2017-08-27 22:55:09 +0300 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2017-08-28 10:44:24 -0700 |
| commit | be1dc3fb290beb394551b8cee45d03e6375b28e6 (patch) | |
| tree | 164340b5f6d0385abadeb1b4070efce1ed75685a /drivers/ata | |
| parent | cs5536: add support for IDE controller variant (diff) | |
| download | linux-dev-be1dc3fb290beb394551b8cee45d03e6375b28e6.tar.xz linux-dev-be1dc3fb290beb394551b8cee45d03e6375b28e6.zip | |
pata_octeon_cf: use of_property_read_{bool|u32}()
The Octeon CF driver basically open-codes of_property_read_{bool|u32}()
using of_{find|get}_property() calls in its probe() method. Using the
modern DT APIs saves 2 LoCs and 16 bytes of object code (MIPS gcc 3.4.3).
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_octeon_cf.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index 1ba03d6df951..d3d851b014a3 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -840,7 +840,6 @@ static int octeon_cf_probe(struct platform_device *pdev) struct property *reg_prop; int n_addr, n_size, reg_len; struct device_node *node; - const void *prop; void __iomem *cs0; void __iomem *cs1 = NULL; struct ata_host *host; @@ -850,7 +849,7 @@ static int octeon_cf_probe(struct platform_device *pdev) void __iomem *base; struct octeon_cf_port *cf_port; int rv = -ENOMEM; - + u32 bus_width; node = pdev->dev.of_node; if (node == NULL) @@ -860,11 +859,10 @@ static int octeon_cf_probe(struct platform_device *pdev) if (!cf_port) return -ENOMEM; - cf_port->is_true_ide = (of_find_property(node, "cavium,true-ide", NULL) != NULL); + cf_port->is_true_ide = of_property_read_bool(node, "cavium,true-ide"); - prop = of_get_property(node, "cavium,bus-width", NULL); - if (prop) - is_16bit = (be32_to_cpup(prop) == 16); + if (of_property_read_u32(node, "cavium,bus-width", &bus_width) == 0) + is_16bit = (bus_width == 16); else is_16bit = false; |