| Message ID | 1620330705-40192-4-git-send-email-bbhatt@codeaurora.org |
|---|---|
| State | New |
| Headers | show |
| Series | BHI/BHIe improvements for MHI power purposes | expand |
On Thu, May 06, 2021 at 12:51:42PM -0700, Bhaumik Bhatt wrote: > Make controller driver specify the MMIO register region length > for range checking of BHI or BHIe space. This can help validate > that offsets are in acceptable memory region or not and avoid any > boot-up issues due to BHI or BHIe memory accesses. > > Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org> > Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> > Reviewed-by: Hemant Kumar <hemantk@codeaurora.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Thanks, Mani > --- > include/linux/mhi.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/linux/mhi.h b/include/linux/mhi.h > index 944aa3a..9c347f5 100644 > --- a/include/linux/mhi.h > +++ b/include/linux/mhi.h > @@ -303,6 +303,7 @@ struct mhi_controller_config { > * @rddm_size: RAM dump size that host should allocate for debugging purpose > * @sbl_size: SBL image size downloaded through BHIe (optional) > * @seg_len: BHIe vector size (optional) > + * @reg_len: Length of the MHI MMIO region (required) > * @fbc_image: Points to firmware image buffer > * @rddm_image: Points to RAM dump buffer > * @mhi_chan: Points to the channel configuration table > @@ -386,6 +387,7 @@ struct mhi_controller { > size_t rddm_size; > size_t sbl_size; > size_t seg_len; > + size_t reg_len; > struct image_info *fbc_image; > struct image_info *rddm_image; > struct mhi_chan *mhi_chan; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >
diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 944aa3a..9c347f5 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -303,6 +303,7 @@ struct mhi_controller_config { * @rddm_size: RAM dump size that host should allocate for debugging purpose * @sbl_size: SBL image size downloaded through BHIe (optional) * @seg_len: BHIe vector size (optional) + * @reg_len: Length of the MHI MMIO region (required) * @fbc_image: Points to firmware image buffer * @rddm_image: Points to RAM dump buffer * @mhi_chan: Points to the channel configuration table @@ -386,6 +387,7 @@ struct mhi_controller { size_t rddm_size; size_t sbl_size; size_t seg_len; + size_t reg_len; struct image_info *fbc_image; struct image_info *rddm_image; struct mhi_chan *mhi_chan;