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gianfar_ptp: replace get_of_u32 with of_property_read_u32

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Replace get_of_u32 with standard helper function of_property_read_u32
since the latter can process cpu endianness.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yangbo Lu 2016-02-24 17:26:55 +08:00 committed by David S. Miller
parent 3db66fdc5f
commit c35ec77966
1 changed files with 13 additions and 20 deletions
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33
drivers/net/ethernet/freescale/gianfar_ptp.c
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@ -422,19 +422,6 @@ static struct ptp_clock_info ptp_gianfar_caps = {
.enable = ptp_gianfar_enable, .enable = ptp_gianfar_enable,
}; };
/* OF device tree */
static int get_of_u32(struct device_node *node, char *str, u32 *val)
{
int plen;
const u32 *prop = of_get_property(node, str, &plen);
if (!prop || plen != sizeof(*prop))
return -1;
*val = *prop;
return 0;
}
static int gianfar_ptp_probe(struct platform_device *dev) static int gianfar_ptp_probe(struct platform_device *dev)
{ {
struct device_node *node = dev->dev.of_node; struct device_node *node = dev->dev.of_node;
@ -452,15 +439,21 @@ static int gianfar_ptp_probe(struct platform_device *dev)
etsects->caps = ptp_gianfar_caps; etsects->caps = ptp_gianfar_caps;
if (get_of_u32(node, "fsl,cksel", &etsects->cksel)) if (of_property_read_u32(node, "fsl,cksel", &etsects->cksel))
etsects->cksel = DEFAULT_CKSEL; etsects->cksel = DEFAULT_CKSEL;
if (get_of_u32(node, "fsl,tclk-period", &etsects->tclk_period) || if (of_property_read_u32(node,
get_of_u32(node, "fsl,tmr-prsc", &etsects->tmr_prsc) || "fsl,tclk-period", &etsects->tclk_period) ||
get_of_u32(node, "fsl,tmr-add", &etsects->tmr_add) || of_property_read_u32(node,
get_of_u32(node, "fsl,tmr-fiper1", &etsects->tmr_fiper1) || "fsl,tmr-prsc", &etsects->tmr_prsc) ||
get_of_u32(node, "fsl,tmr-fiper2", &etsects->tmr_fiper2) || of_property_read_u32(node,
get_of_u32(node, "fsl,max-adj", &etsects->caps.max_adj)) { "fsl,tmr-add", &etsects->tmr_add) ||
of_property_read_u32(node,
"fsl,tmr-fiper1", &etsects->tmr_fiper1) ||
of_property_read_u32(node,
"fsl,tmr-fiper2", &etsects->tmr_fiper2) ||
of_property_read_u32(node,
"fsl,max-adj", &etsects->caps.max_adj)) {
pr_err("device tree node missing required elements\n"); pr_err("device tree node missing required elements\n");
goto no_node; goto no_node;
} }