From: "Martin Hundebøll" <mhu@silicom.dk>
To: Moritz Fischer <mdf@kernel.org>, trix@redhat.com
Cc: hao.wu@intel.com, 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: Tue, 8 Jun 2021 08:23:02 +0200 [thread overview]
Message-ID: <2faf6ccb-005b-063a-a2a3-e177082c4b3c@silicom.dk> (raw)
In-Reply-To: <YL6fUSD0KLP0l80g@epycbox.lan>
On 08/06/2021 00.36, Moritz Fischer wrote:
> 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 ...
Nit nit: should be:
An FPGA Manager should not be ...
// Martin
>
>> 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
>
next prev parent reply other threads:[~2021-06-08 6:23 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
2021-06-08 6:23 ` Martin Hundebøll [this message]
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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