From: Moritz Fischer <mdf@kernel.org> To: trix@redhat.com Cc: hao.wu@intel.com, mdf@kernel.org, michal.simek@xilinx.com, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/7] fpga: wrap the write_init() op Date: Mon, 7 Jun 2021 15:36:01 -0700 [thread overview] Message-ID: <YL6fUSD0KLP0l80g@epycbox.lan> (raw) In-Reply-To: <20210607172402.2938697-2-trix@redhat.com> On Mon, Jun 07, 2021 at 10:23:56AM -0700, trix@redhat.com wrote: > From: Tom Rix <trix@redhat.com> > > The board should not be required to provide a Nit: Can you turn these into for whole series: A FPGA Manager should not be ... > write_init() op if there is nothing for it do. > So add a wrapper and move the op checking. > Default to success. > > Signed-off-by: Tom Rix <trix@redhat.com> > --- > drivers/fpga/fpga-mgr.c | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c > index b85bc47c91a9..24547e36a56d 100644 > --- a/drivers/fpga/fpga-mgr.c > +++ b/drivers/fpga/fpga-mgr.c > @@ -69,6 +69,14 @@ void fpga_image_info_free(struct fpga_image_info *info) > } > EXPORT_SYMBOL_GPL(fpga_image_info_free); > > +static int fpga_mgr_write_init(struct fpga_manager *mgr, > + struct fpga_image_info *info, > + const char *buf, size_t count) > +{ > + if (mgr->mops && mgr->mops->write_init) > + return mgr->mops->write_init(mgr, info, buf, count); > + return 0; > +} > /* > * Call the low level driver's write_init function. This will do the > * device-specific things to get the FPGA into the state where it is ready to > @@ -83,9 +91,9 @@ static int fpga_mgr_write_init_buf(struct fpga_manager *mgr, > > mgr->state = FPGA_MGR_STATE_WRITE_INIT; > if (!mgr->mops->initial_header_size) > - ret = mgr->mops->write_init(mgr, info, NULL, 0); > + ret = fpga_mgr_write_init(mgr, info, NULL, 0); > else > - ret = mgr->mops->write_init( > + ret = fpga_mgr_write_init( > mgr, info, buf, min(mgr->mops->initial_header_size, count)); > > if (ret) { > @@ -569,7 +577,7 @@ struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name, > int id, ret; > > if (!mops || !mops->write_complete || !mops->state || > - !mops->write_init || (!mops->write && !mops->write_sg) || > + (!mops->write && !mops->write_sg) || > (mops->write && mops->write_sg)) { > dev_err(dev, "Attempt to register without fpga_manager_ops\n"); > return NULL; > -- > 2.26.3 > Can you change the subjects to "fpga: fpga-mgr: ..." Otherwise series looks good. - Moritz
WARNING: multiple messages have this Message-ID (diff)
From: Moritz Fischer <mdf@kernel.org> To: trix@redhat.com Cc: hao.wu@intel.com, mdf@kernel.org, michal.simek@xilinx.com, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/7] fpga: wrap the write_init() op Date: Mon, 7 Jun 2021 15:36:01 -0700 [thread overview] Message-ID: <YL6fUSD0KLP0l80g@epycbox.lan> (raw) In-Reply-To: <20210607172402.2938697-2-trix@redhat.com> On Mon, Jun 07, 2021 at 10:23:56AM -0700, trix@redhat.com wrote: > From: Tom Rix <trix@redhat.com> > > The board should not be required to provide a Nit: Can you turn these into for whole series: A FPGA Manager should not be ... > write_init() op if there is nothing for it do. > So add a wrapper and move the op checking. > Default to success. > > Signed-off-by: Tom Rix <trix@redhat.com> > --- > drivers/fpga/fpga-mgr.c | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c > index b85bc47c91a9..24547e36a56d 100644 > --- a/drivers/fpga/fpga-mgr.c > +++ b/drivers/fpga/fpga-mgr.c > @@ -69,6 +69,14 @@ void fpga_image_info_free(struct fpga_image_info *info) > } > EXPORT_SYMBOL_GPL(fpga_image_info_free); > > +static int fpga_mgr_write_init(struct fpga_manager *mgr, > + struct fpga_image_info *info, > + const char *buf, size_t count) > +{ > + if (mgr->mops && mgr->mops->write_init) > + return mgr->mops->write_init(mgr, info, buf, count); > + return 0; > +} > /* > * Call the low level driver's write_init function. This will do the > * device-specific things to get the FPGA into the state where it is ready to > @@ -83,9 +91,9 @@ static int fpga_mgr_write_init_buf(struct fpga_manager *mgr, > > mgr->state = FPGA_MGR_STATE_WRITE_INIT; > if (!mgr->mops->initial_header_size) > - ret = mgr->mops->write_init(mgr, info, NULL, 0); > + ret = fpga_mgr_write_init(mgr, info, NULL, 0); > else > - ret = mgr->mops->write_init( > + ret = fpga_mgr_write_init( > mgr, info, buf, min(mgr->mops->initial_header_size, count)); > > if (ret) { > @@ -569,7 +577,7 @@ struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name, > int id, ret; > > if (!mops || !mops->write_complete || !mops->state || > - !mops->write_init || (!mops->write && !mops->write_sg) || > + (!mops->write && !mops->write_sg) || > (mops->write && mops->write_sg)) { > dev_err(dev, "Attempt to register without fpga_manager_ops\n"); > return NULL; > -- > 2.26.3 > Can you change the subjects to "fpga: fpga-mgr: ..." Otherwise series looks good. - Moritz _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-07 22:36 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-07 17:23 [PATCH 0/7] fpga: wrappers for fpga_manager_ops trix 2021-06-07 17:23 ` trix 2021-06-07 17:23 ` [PATCH 1/7] fpga: wrap the write_init() op trix 2021-06-07 17:23 ` trix 2021-06-07 22:36 ` Moritz Fischer [this message] 2021-06-07 22:36 ` Moritz Fischer 2021-06-08 6:23 ` Martin Hundebøll 2021-06-08 6:23 ` Martin Hundebøll 2021-06-08 19:05 ` Tom Rix 2021-06-08 19:05 ` Tom Rix 2021-06-08 13:55 ` Tom Rix 2021-06-08 13:55 ` Tom Rix 2021-06-07 17:23 ` [PATCH 2/7] fpga: make write_complete() op optional trix 2021-06-07 17:23 ` trix 2021-06-07 17:23 ` [PATCH 3/7] fpga: wrap the write() op trix 2021-06-07 17:23 ` trix 2021-06-07 17:23 ` [PATCH 4/7] fpga: wrap the status() op trix 2021-06-07 17:23 ` trix 2021-06-07 17:24 ` [PATCH 5/7] fpga: wrap the state() op trix 2021-06-07 17:24 ` trix 2021-06-07 17:24 ` [PATCH 6/7] fpga: wrap the fpga_remove() op trix 2021-06-07 17:24 ` trix 2021-06-07 17:24 ` [PATCH 7/7] fpga: collect wrappers and change to inline trix 2021-06-07 17:24 ` trix 2021-06-07 21:59 ` [PATCH 0/7] fpga: wrappers for fpga_manager_ops Moritz Fischer 2021-06-07 21:59 ` Moritz Fischer
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