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@xxxxxxxxx> --- drivers/staging/mt7621-pci/pci-mt7621.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c index 296f50fb3571..40bb2e8a1177 100644 --- 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) -- 2.25.1