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
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next prev parent reply other threads:[~2021-06-07 22:40 UTC|newest]
Thread overview: 13+ 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 ` [PATCH 1/7] fpga: wrap the write_init() op trix
2021-06-07 22:36 ` Moritz Fischer [this message]
2021-06-08 6:23 ` Martin Hundebøll
2021-06-08 19:05 ` 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 ` [PATCH 3/7] fpga: wrap the write() op trix
2021-06-07 17:23 ` [PATCH 4/7] fpga: wrap the status() op trix
2021-06-07 17:24 ` [PATCH 5/7] fpga: wrap the state() op trix
2021-06-07 17:24 ` [PATCH 6/7] fpga: wrap the fpga_remove() op trix
2021-06-07 17:24 ` [PATCH 7/7] fpga: collect wrappers and change to inline trix
2021-06-07 21:59 ` [PATCH 0/7] fpga: wrappers for fpga_manager_ops Moritz Fischer
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