Re: [PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-27 Thread Rob Herring
On Tue, 19 Jan 2021 18:52:03 +0800, Yong Wu wrote: > The commit e0d072782c73 ("dma-mapping: introduce DMA range map, > supplanting dma_pfn_offset") always update dma_range_map even though it was > already set, like in the sunxi_mbus driver. the issue is reported at [1]. > This patch avoid this(Upda

Re: [PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-27 Thread Robin Murphy
On 2021-01-27 19:09, Rob Herring wrote: On Wed, Jan 27, 2021 at 7:13 AM Robin Murphy wrote: [ + Christoph, Marek ] On 2021-01-27 13:00, Paul Kocialkowski wrote: Hi, On Tue 19 Jan 21, 18:52, Yong Wu wrote: The commit e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_o

Re: [PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-27 Thread Robin Murphy
On 2021-01-27 19:07, Rob Herring wrote: On Tue, Jan 19, 2021 at 4:52 AM Yong Wu wrote: The commit e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset") always update dma_range_map even though it was already set, like in the sunxi_mbus driver. the issue is reported a

Re: [PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-27 Thread Rob Herring
On Wed, Jan 27, 2021 at 7:13 AM Robin Murphy wrote: > > [ + Christoph, Marek ] > > On 2021-01-27 13:00, Paul Kocialkowski wrote: > > Hi, > > > > On Tue 19 Jan 21, 18:52, Yong Wu wrote: > >> The commit e0d072782c73 ("dma-mapping: introduce DMA range map, > >> supplanting dma_pfn_offset") always upd

Re: [PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-27 Thread Rob Herring
On Tue, Jan 19, 2021 at 4:52 AM Yong Wu wrote: > > The commit e0d072782c73 ("dma-mapping: introduce DMA range map, > supplanting dma_pfn_offset") always update dma_range_map even though it was > already set, like in the sunxi_mbus driver. the issue is reported at [1]. > This patch avoid this(Updat

Re: [PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-27 Thread Robin Murphy
[ + Christoph, Marek ] On 2021-01-27 13:00, Paul Kocialkowski wrote: Hi, On Tue 19 Jan 21, 18:52, Yong Wu wrote: The commit e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset") always update dma_range_map even though it was already set, like in the sunxi_mbus drive

Re: [PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-27 Thread Paul Kocialkowski
Hi, On Tue 19 Jan 21, 18:52, Yong Wu wrote: > The commit e0d072782c73 ("dma-mapping: introduce DMA range map, > supplanting dma_pfn_offset") always update dma_range_map even though it was > already set, like in the sunxi_mbus driver. the issue is reported at [1]. > This patch avoid this(Updating i

[PATCH v2] of/device: Update dma_range_map only when dev has valid dma-ranges

2021-01-19 Thread Yong Wu
The commit e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset") always update dma_range_map even though it was already set, like in the sunxi_mbus driver. the issue is reported at [1]. This patch avoid this(Updating it only when dev has valid dma-ranges). Meanwhile, dm