staging: mt7621-pci: replace mdelay with msleep

There are two mdelay calls in driver code located in
'mt7621_pcie_reset_assert' and 'mt7621_pcie_reset_rc_deassert'
functions. Both of them are not called in an interrupt handler
nor holding any spinlock. Hence, the function mdelay in them
can be replaced with msleep, to reduce busy wait.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210505121736.6459-6-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index 296f50fb35711d7eaa996b5c00d6f04f8cd3a005..40bb2e8a117735e9ceefb612e258a84153ccafe6 100644 (file)
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -441,7 +441,7 @@ static void mt7621_pcie_reset_assert(struct mt7621_pcie *pcie)
                mt7621_rst_gpio_pcie_assert(port);
        }
 
-       mdelay(PERST_DELAY_MS);
+       msleep(PERST_DELAY_MS);
 }
 
 static void mt7621_pcie_reset_rc_deassert(struct mt7621_pcie *pcie)
@@ -459,7 +459,7 @@ static void mt7621_pcie_reset_ep_deassert(struct mt7621_pcie *pcie)
        list_for_each_entry(port, &pcie->ports, list)
                mt7621_rst_gpio_pcie_deassert(port);
 
-       mdelay(PERST_DELAY_MS);
+       msleep(PERST_DELAY_MS);
 }
 
 static void mt7621_pcie_init_ports(struct mt7621_pcie *pcie)