gianfar_ptp: replace get_of_u32 with of_property_read_u32
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>
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@ -422,19 +422,6 @@ static struct ptp_clock_info ptp_gianfar_caps = {
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.enable = ptp_gianfar_enable,
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};
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/* OF device tree */
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static int get_of_u32(struct device_node *node, char *str, u32 *val)
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{
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int plen;
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const u32 *prop = of_get_property(node, str, &plen);
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if (!prop || plen != sizeof(*prop))
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return -1;
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*val = *prop;
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return 0;
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}
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static int gianfar_ptp_probe(struct platform_device *dev)
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{
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struct device_node *node = dev->dev.of_node;
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@ -452,15 +439,21 @@ static int gianfar_ptp_probe(struct platform_device *dev)
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etsects->caps = ptp_gianfar_caps;
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if (get_of_u32(node, "fsl,cksel", &etsects->cksel))
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if (of_property_read_u32(node, "fsl,cksel", &etsects->cksel))
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etsects->cksel = DEFAULT_CKSEL;
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if (get_of_u32(node, "fsl,tclk-period", &etsects->tclk_period) ||
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get_of_u32(node, "fsl,tmr-prsc", &etsects->tmr_prsc) ||
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get_of_u32(node, "fsl,tmr-add", &etsects->tmr_add) ||
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get_of_u32(node, "fsl,tmr-fiper1", &etsects->tmr_fiper1) ||
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get_of_u32(node, "fsl,tmr-fiper2", &etsects->tmr_fiper2) ||
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get_of_u32(node, "fsl,max-adj", &etsects->caps.max_adj)) {
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if (of_property_read_u32(node,
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"fsl,tclk-period", &etsects->tclk_period) ||
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of_property_read_u32(node,
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"fsl,tmr-prsc", &etsects->tmr_prsc) ||
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of_property_read_u32(node,
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"fsl,tmr-add", &etsects->tmr_add) ||
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of_property_read_u32(node,
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"fsl,tmr-fiper1", &etsects->tmr_fiper1) ||
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of_property_read_u32(node,
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"fsl,tmr-fiper2", &etsects->tmr_fiper2) ||
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of_property_read_u32(node,
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"fsl,max-adj", &etsects->caps.max_adj)) {
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pr_err("device tree node missing required elements\n");
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goto no_node;
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}
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