Hello Jason,
On Mon, Nov 30, 2015 at 12:27:11PM -0700, Jason Gunthorpe wrote:
> Instead of clearing the global interrupts flag when any device
> does not have an interrupt just pass -1 through tpm_info.irq.
Is there a reason not to use 0 for the invalid irq?
> The only thing that asks for autoprobing is the force=1 path.
>
> Signed-off-by: Jason Gunthorpe <jguntho...@obsidianresearch.com>
> ---
> drivers/char/tpm/tpm_tis.c | 16 +++++++---------
> 1 file changed, 7 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
> index 8a3509cb10da..0a2d94f3d679 100644
> --- a/drivers/char/tpm/tpm_tis.c
> +++ b/drivers/char/tpm/tpm_tis.c
> @@ -69,7 +69,7 @@ enum tis_defaults {
> struct tpm_info {
> unsigned long start;
> unsigned long len;
> - unsigned int irq;
> + int irq;
> };
>
> static struct tpm_info tis_default_info = {
> @@ -807,7 +807,7 @@ static int tpm_tis_init(struct device *dev, struct
> tpm_info *tpm_info,
> /* INTERRUPT Setup */
> init_waitqueue_head(&chip->vendor.read_queue);
> init_waitqueue_head(&chip->vendor.int_queue);
> - if (interrupts) {
> + if (interrupts && tpm_info->irq != -1) {
> if (tpm_info->irq) {
There is even a check for irq == 0 that could be reused maybe?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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