PCI: j721e: Use T_PERST_CLK_US macro

[ Upstream commit f96b6971373382855bc964f1c067bd6dc41cf0ab ]

Use the T_PERST_CLK_US macro, and the fsleep() function instead of
usleep_range().

Link: https://lore.kernel.org/linux-pci/20240102-j7200-pcie-s2r-v7-6-a2f9156da6c3@bootlin.com
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Stable-dep-of: 22a9120479a4 ("PCI: j721e: Deassert PERST# after a delay of PCIE_T_PVPERL_MS milliseconds")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index d676a4ed57803cf49bc37bc12cf14dff0f2a96eb..963b66b6a68328ff9283d8407b3d2dba15771bb5 100644 (file)
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/drivers/pci/controller/cadence/pci-j721e.c
@@ -542,7 +542,7 @@ static int j721e_pcie_probe(struct platform_device *pdev)
                 * after 100 us.
                 */
                if (gpiod) {
-                       usleep_range(100, 200);
+                       fsleep(PCIE_T_PERST_CLK_US);
                        gpiod_set_value_cansleep(gpiod, 1);
                }