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ata: ahci-dwc: Simplify with scoped for each OF child loop

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Use scoped for-each loop when iterating over device nodes and switch to
iterating already over available nodes to make code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2026-01-05 15:29:45 +01:00 • committed by Damien Le Moal
parent 2dc8a3295b
commit 602f661282
1 changed files with 2 additions and 8 deletions
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10
drivers/ata/ahci_dwc.c
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@ -260,7 +260,6 @@ static void ahci_dwc_init_timer(struct ahci_host_priv *hpriv)
static int ahci_dwc_init_dmacr(struct ahci_host_priv *hpriv)
{
struct ahci_dwc_host_priv *dpriv = hpriv->plat_data;
struct device_node *child;
void __iomem *port_mmio;
u32 port, dmacr, ts;
@ -271,14 +270,9 @@ static int ahci_dwc_init_dmacr(struct ahci_host_priv *hpriv)
* the HBA global reset so we can freely initialize it once until the
* next system reset.
*/
for_each_child_of_node(dpriv->pdev->dev.of_node, child) {
if (!of_device_is_available(child))
continue;
if (of_property_read_u32(child, "reg", &port)) {
of_node_put(child);
for_each_available_child_of_node_scoped(dpriv->pdev->dev.of_node, child) {
if (of_property_read_u32(child, "reg", &port))
return -EINVAL;
}
port_mmio = __ahci_port_base(hpriv, port);
dmacr = readl(port_mmio + AHCI_DWC_PORT_DMACR);