On Mon, Jul 15, 2019 at 6:42 PM Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > The MMCISTATUS register is read from the IRQ handler, mmci_irq(). For > processing, its value is then passed as an in-parameter to mmci_cmd_irq(). > > When dealing with busy detection, the MMCISTATUS register is being re-read, > as to retrieve an updated value. However, this operation is likely costing > more than it benefits, as the value was read only a few cycles ago. For > this reason, let's simply drop the re-read and use the value from the > in-parameter instead. > > Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
