On Wed, 2 Feb 2022 at 02:03, AngeloGioacchino Del Regno
<angelogioacchino.delregno@xxxxxxxxxxxxx> wrote:
>
> Il 01/02/22 19:36, Mathieu Poirier ha scritto:
> > Hi Angelo,
> >
> > On Mon, Jan 24, 2022 at 01:09:15PM +0100, AngeloGioacchino Del Regno wrote:
> >> Simplify the probe function, where possible, by using dev_err_probe().
> >> While at it, as to increase human readability, also remove some
> >> unnecessary forced void pointer casts that were previously used in
> >> error checking.
> >
> > I am in favour of all 3 patches (please add a cover letter next time) but weary
> > about testing - do you have access to a Mediatek platform to try this on or
> > is it purely theoretical?
> >
> > I would definitely feel better to see a "Tested-by" tag by someone out there
> > with access to the HW.
> >
> > Thanks,
> > Mathieu
> >
>
> Hello Mathieu,
>
> I have multiple MediaTek platforms and I always test on all of them before
> pushing such commits upstream, so, even though this kind of patch is trivial,
> this is *not* purely theoretical and I confirm that this was successfully tested.
I have applied all 3 patches.
>
> Regards,
> Angelo
>
> >>
> >> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> >> ---
> >> drivers/remoteproc/mtk_scp.c | 28 ++++++++++++----------------
> >> 1 file changed, 12 insertions(+), 16 deletions(-)
> >>
> >> diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
> >> index e40706b0e015..dcddb33e9997 100644
> >> --- a/drivers/remoteproc/mtk_scp.c
> >> +++ b/drivers/remoteproc/mtk_scp.c
> >> @@ -757,10 +757,8 @@ static int scp_probe(struct platform_device *pdev)
> >> int ret, i;
> >>
> >> rproc = devm_rproc_alloc(dev, np->name, &scp_ops, fw_name, sizeof(*scp));
> >> - if (!rproc) {
> >> - dev_err(dev, "unable to allocate remoteproc\n");
> >> - return -ENOMEM;
> >> - }
> >> + if (!rproc)
> >> + return dev_err_probe(dev, -ENOMEM, "unable to allocate remoteproc\n");
> >>
> >> scp = (struct mtk_scp *)rproc->priv;
> >> scp->rproc = rproc;
> >> @@ -770,21 +768,20 @@ static int scp_probe(struct platform_device *pdev)
> >>
> >> res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram");
> >> scp->sram_base = devm_ioremap_resource(dev, res);
> >> - if (IS_ERR((__force void *)scp->sram_base)) {
> >> - dev_err(dev, "Failed to parse and map sram memory\n");
> >> - return PTR_ERR((__force void *)scp->sram_base);
> >> - }
> >> + if (IS_ERR(scp->sram_base))
> >> + return dev_err_probe(dev, PTR_ERR(scp->sram_base),
> >> + "Failed to parse and map sram memory\n");
> >> +
> >> scp->sram_size = resource_size(res);
> >> scp->sram_phys = res->start;
> >>
> >> /* l1tcm is an optional memory region */
> >> res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "l1tcm");
> >> scp->l1tcm_base = devm_ioremap_resource(dev, res);
> >> - if (IS_ERR((__force void *)scp->l1tcm_base)) {
> >> - ret = PTR_ERR((__force void *)scp->l1tcm_base);
> >> + if (IS_ERR(scp->l1tcm_base)) {
> >> + ret = PTR_ERR(scp->l1tcm_base);
> >> if (ret != -EINVAL) {
> >> - dev_err(dev, "Failed to map l1tcm memory\n");
> >> - return ret;
> >> + return dev_err_probe(dev, ret, "Failed to map l1tcm memory\n");
> >> }
> >> } else {
> >> scp->l1tcm_size = resource_size(res);
> >> @@ -792,10 +789,9 @@ static int scp_probe(struct platform_device *pdev)
> >> }
> >>
> >> scp->reg_base = devm_platform_ioremap_resource_byname(pdev, "cfg");
> >> - if (IS_ERR((__force void *)scp->reg_base)) {
> >> - dev_err(dev, "Failed to parse and map cfg memory\n");
> >> - return PTR_ERR((__force void *)scp->reg_base);
> >> - }
> >> + if (IS_ERR(scp->reg_base))
> >> + return dev_err_probe(dev, PTR_ERR(scp->reg_base),
> >> + "Failed to parse and map cfg memory\n");
> >>
> >> ret = scp->data->scp_clk_get(scp);
> >> if (ret)
> >> --
> >> 2.33.1
> >>
>
>
> --
> AngeloGioacchino Del Regno
> Software Engineer
>
> Collabora Ltd.
> Platinum Building, St John's Innovation Park, Cambridge CB4 0DS, UK
> Registered in England & Wales, no. 5513718
