| Message ID | 20210625195148.837230-3-trix@redhat.com (mailing list archive) |
|---|---|
| State | Queued |
| Headers | show |
| Series | wrappers for fpga_manager_ops | expand |
On Fri, Jun 25, 2021 at 12:51:42PM -0700, trix@redhat.com wrote: > From: Tom Rix <trix@redhat.com> > > An FPGA manager should not be required to provide a > 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 | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) > > diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c > index ecb4c3c795fa5..c047de8a059b7 100644 > --- a/drivers/fpga/fpga-mgr.c > +++ b/drivers/fpga/fpga-mgr.c > @@ -25,6 +25,15 @@ struct fpga_mgr_devres { > struct fpga_manager *mgr; > }; > > +static inline int fpga_mgr_write_init(struct fpga_manager *mgr, > + struct fpga_image_info *info, > + const char *buf, size_t count) > +{ > + if (mgr->mops->write_init) Will you need a if (mgr->mops && mgr->mops->write_init) here later? > + return mgr->mops->write_init(mgr, info, buf, count); > + return 0; > +} > + > /** > * fpga_image_info_alloc - Allocate an FPGA image info struct > * @dev: owning device > @@ -83,9 +92,9 @@ 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 +578,7 @@ struct fpga_manager *fpga_mgr_create(struct device *parent, 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(parent, "Attempt to register without fpga_manager_ops\n"); > return NULL; > -- > 2.26.3 > Looks good to me, I might reword the commit message some when applying. - Moritz
On 6/28/21 11:53 AM, Moritz Fischer wrote: > On Fri, Jun 25, 2021 at 12:51:42PM -0700, trix@redhat.com wrote: >> From: Tom Rix <trix@redhat.com> >> >> An FPGA manager should not be required to provide a >> 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 | 15 ++++++++++++--- >> 1 file changed, 12 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c >> index ecb4c3c795fa5..c047de8a059b7 100644 >> --- a/drivers/fpga/fpga-mgr.c >> +++ b/drivers/fpga/fpga-mgr.c >> @@ -25,6 +25,15 @@ struct fpga_mgr_devres { >> struct fpga_manager *mgr; >> }; >> >> +static inline int fpga_mgr_write_init(struct fpga_manager *mgr, >> + struct fpga_image_info *info, >> + const char *buf, size_t count) >> +{ >> + if (mgr->mops->write_init) > Will you need a if (mgr->mops && mgr->mops->write_init) here later? This was changed from v3 based on Yilun's comment https://lore.kernel.org/linux-fpga/20210624075414.GA44700@yilunxu-OptiPlex-7050/ This is checked on creation >> + return mgr->mops->write_init(mgr, info, buf, count); >> + return 0; >> +} >> + >> /** >> * fpga_image_info_alloc - Allocate an FPGA image info struct >> * @dev: owning device >> @@ -83,9 +92,9 @@ 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 +578,7 @@ struct fpga_manager *fpga_mgr_create(struct device *parent, 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(parent, "Attempt to register without fpga_manager_ops\n"); >> return NULL; >> -- >> 2.26.3 >> > Looks good to me, I might reword the commit message some when applying. That is fine. Thanks Tom > - Moritz >
diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index ecb4c3c795fa5..c047de8a059b7 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -25,6 +25,15 @@ struct fpga_mgr_devres { struct fpga_manager *mgr; }; +static inline int fpga_mgr_write_init(struct fpga_manager *mgr, + struct fpga_image_info *info, + const char *buf, size_t count) +{ + if (mgr->mops->write_init) + return mgr->mops->write_init(mgr, info, buf, count); + return 0; +} + /** * fpga_image_info_alloc - Allocate an FPGA image info struct * @dev: owning device @@ -83,9 +92,9 @@ 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 +578,7 @@ struct fpga_manager *fpga_mgr_create(struct device *parent, 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(parent, "Attempt to register without fpga_manager_ops\n"); return NULL;