On Wed, 2017-07-26 at 11:36 +0100, Robin Murphy wrote: > On 26/07/17 10:59, honghui.zh...@mediatek.com wrote: > > From: Honghui Zhang <honghui.zh...@mediatek.com> > >
> > * for mtk smi gen 1, we need to get the ao(always on) base to config > > * m4u port, and we need to enable the aync clock for transform the smi > > * clock into emi clock domain, but for mtk smi gen2, there's no smi ao > > * base. > > */ > > - smi_gen = (enum mtk_smi_gen)of_id->data; > > - if (smi_gen == MTK_SMI_GEN1) { > > + smi_gen = of_device_get_match_data(dev); > > The data you're retrieving is the exact same thing as of_id->data was, > i.e. an enum mtk_smi_gen cast to void*, so dereferencing it is not a > good idea. The first patch was almost right; you just need to keep the > cast in the assignment to smi_gen. > > Robin. > Hi, Robin, thanks very much. I will send a new version. > > + if (*smi_gen == MTK_SMI_GEN1) { > > res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > > common->smi_ao_base = devm_ioremap_resource(dev, res); > > if (IS_ERR(common->smi_ao_base)) > > >