[Linux-stm32] [PATCH v3 10/10] mmc: mmci: Add busydetect timeout

[Linus Walleij]

On Wed, Jun 14, 2023 at 12:05 PM Ulf Hansson <ulf.hansson at linaro.org> wrote:

> However, we use the spin_lock to protect some members in the struct
> mmci_host. In this case, the mmci_cmd_irq() is using "host->cmd" to
> understand whether there is an active command to manage. When the
> command has been completed, we set host->cmd to NULL.

Hm right...

I'm leaning toward some catch-all like:

if (!host->cmd)
  state = MMCI_BUSY_DONE;

as if there is no command going on then surely nothing is busy on the
host controller.

Yours,
Linus Walleij