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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id c17sm24619108pfo.71.2020.03.09.12.52.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Mar 2020 12:52:50 -0700 (PDT) Date: Mon, 9 Mar 2020 13:52:47 -0600 From: Mathieu Poirier To: Clement Leger Cc: Ohad Ben-Cohen , Bjorn Andersson , Jonathan Corbet , Shawn Guo , Sascha Hauer , linux-remoteproc@vger.kernel.org, Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Andy Gross , Patrice Chotard , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Arnaud Pouliquen , Loic PALLARDY , s-anna Subject: Re: [PATCH v5 3/8] remoteproc: Use u64 type for boot_addr Message-ID: <20200309195247.GC1399@xps15> References: <20200210162209.23149-1-cleger@kalray.eu> <20200302093902.27849-1-cleger@kalray.eu> <20200302093902.27849-4-cleger@kalray.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200302093902.27849-4-cleger@kalray.eu> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Mon, Mar 02, 2020 at 10:38:57AM +0100, Clement Leger wrote: > elf64 entry is defined as a u64. Since boot_addr is used to store the > elf entry point, change boot_addr type to u64 to support both elf32 > and elf64. In the same time, fix users that were using this variable. > > Signed-off-by: Clement Leger > --- > drivers/remoteproc/remoteproc_elf_loader.c | 2 +- > drivers/remoteproc/remoteproc_internal.h | 2 +- > drivers/remoteproc/st_remoteproc.c | 2 +- > include/linux/remoteproc.h | 4 ++-- > 4 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c > index 606aae166eba..c2a9783cfb9a 100644 > --- a/drivers/remoteproc/remoteproc_elf_loader.c > +++ b/drivers/remoteproc/remoteproc_elf_loader.c > @@ -102,7 +102,7 @@ EXPORT_SYMBOL(rproc_elf_sanity_check); > * Note that the boot address is not a configurable property of all remote > * processors. Some will always boot at a specific hard-coded address. > */ > -u32 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw) > +u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw) > { > struct elf32_hdr *ehdr = (struct elf32_hdr *)fw->data; > > diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h > index 58580210575c..0deae5f237b8 100644 > --- a/drivers/remoteproc/remoteproc_internal.h > +++ b/drivers/remoteproc/remoteproc_internal.h > @@ -55,7 +55,7 @@ phys_addr_t rproc_va_to_pa(void *cpu_addr); > int rproc_trigger_recovery(struct rproc *rproc); > > int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw); > -u32 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw); > +u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw); > int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw); > int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw); > struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc, The return type of function rproc_get_boot_addr() should also be changed from u32 to u64. Or perhaps this is intentional to make sure rproc->bootaddr never occupies more than 32bit? > diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c > index ee13d23b43a9..a3268d95a50e 100644 > --- a/drivers/remoteproc/st_remoteproc.c > +++ b/drivers/remoteproc/st_remoteproc.c > @@ -190,7 +190,7 @@ static int st_rproc_start(struct rproc *rproc) > } > } > > - dev_info(&rproc->dev, "Started from 0x%x\n", rproc->bootaddr); > + dev_info(&rproc->dev, "Started from 0x%llx\n", rproc->bootaddr); > > return 0; > > diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h > index bee559330204..1683d6c386a6 100644 > --- a/include/linux/remoteproc.h > +++ b/include/linux/remoteproc.h > @@ -382,7 +382,7 @@ struct rproc_ops { > struct rproc *rproc, const struct firmware *fw); > int (*load)(struct rproc *rproc, const struct firmware *fw); > int (*sanity_check)(struct rproc *rproc, const struct firmware *fw); > - u32 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw); > + u64 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw); > }; > > /** > @@ -498,7 +498,7 @@ struct rproc { > int num_traces; > struct list_head carveouts; > struct list_head mappings; > - u32 bootaddr; > + u64 bootaddr; > struct list_head rvdevs; > struct list_head subdevs; > struct idr notifyids; > -- > 2.15.0.276.g89ea799 >