From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: Ben Widawsky <ben.widawsky@intel.com>
Cc: <linux-cxl@vger.kernel.org>, <linux-pci@vger.kernel.org>,
<linux-acpi@vger.kernel.org>, <ira.weiny@intel.com>,
<vishal.l.verma@intel.com>, <alison.schofield@intel.com>,
<dan.j.williams@intel.com>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 5/7] cxl/mem: Move device register setup
Date: Thu, 8 Apr 2021 18:28:08 +0100 [thread overview]
Message-ID: <20210408182808.00007f69@Huawei.com> (raw)
In-Reply-To: <20210407222625.320177-6-ben.widawsky@intel.com>
On Wed, 7 Apr 2021 15:26:23 -0700
Ben Widawsky <ben.widawsky@intel.com> wrote:
> Support expansion of register block types that the driver will attempt
> to recognize by pulling the code up into the register block scanning
> loop. Subsequent code can easily add in new register block types with
> this.
>
> Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>>
> ---
> drivers/cxl/mem.c | 19 +++++++++----------
> 1 file changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
> index 60b95c524c3e..49f651694cb0 100644
> --- a/drivers/cxl/mem.c
> +++ b/drivers/cxl/mem.c
> @@ -1020,6 +1020,15 @@ static int cxl_mem_setup_regs(struct cxl_mem *cxlm)
> base = cxl_mem_map_regblock(cxlm, reg_lo, reg_hi);
> if (IS_ERR(base))
> return PTR_ERR(base);
> +
> + cxl_setup_device_regs(dev, base, ®s->device_regs);
> + if (!regs->status || !regs->mbox || !regs->memdev) {
> + dev_err(dev, "registers not found: %s%s%s\n",
> + !regs->status ? "status " : "",
> + !regs->mbox ? "mbox " : "",
> + !regs->memdev ? "memdev" : "");
> + return -ENXIO;
> + }
> break;
> }
> }
> @@ -1029,16 +1038,6 @@ static int cxl_mem_setup_regs(struct cxl_mem *cxlm)
> return -ENXIO;
> }
>
> - cxl_setup_device_regs(dev, base, ®s->device_regs);
> -
> - if (!regs->status || !regs->mbox || !regs->memdev) {
> - dev_err(dev, "registers not found: %s%s%s\n",
> - !regs->status ? "status " : "",
> - !regs->mbox ? "mbox " : "",
> - !regs->memdev ? "memdev" : "");
> - return -ENXIO;
> - }
> -
> return 0;
> }
>
next prev parent reply other threads:[~2021-04-08 17:29 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 22:26 [PATCH 0/7] Enumerate HDM Decoder registers Ben Widawsky
2021-04-07 22:26 ` [PATCH 1/7] cxl/mem: Use dev instead of pdev->dev Ben Widawsky
2021-04-08 17:08 ` Jonathan Cameron
2021-04-07 22:26 ` [PATCH 2/7] cxl/mem: Split creation from mapping in probe Ben Widawsky
2021-04-08 17:13 ` Jonathan Cameron
2021-04-07 22:26 ` [PATCH 3/7] cxl/mem: Move register locator logic into reg setup Ben Widawsky
2021-04-08 17:27 ` Jonathan Cameron
2021-04-07 22:26 ` [PATCH 4/7] cxl/mem: Get rid of @cxlm.base Ben Widawsky
2021-04-08 17:26 ` Jonathan Cameron
2021-04-13 16:17 ` Ben Widawsky
2021-04-14 9:24 ` Jonathan Cameron
2021-05-20 21:29 ` [PATCH v2 " Ben Widawsky
2021-04-07 22:26 ` [PATCH 5/7] cxl/mem: Move device register setup Ben Widawsky
2021-04-08 17:28 ` Jonathan Cameron [this message]
2021-04-07 22:26 ` [PATCH 6/7] cxl/mem: Create a helper to setup device regs Ben Widawsky
2021-04-08 17:33 ` Jonathan Cameron
2021-04-15 22:54 ` Dan Williams
2021-04-07 22:26 ` [PATCH 7/7] cxl: Add HDM decoder capbilities Ben Widawsky
2021-04-08 17:57 ` Jonathan Cameron
2021-04-15 23:27 ` Dan Williams
2021-04-15 23:50 ` Ben Widawsky
2021-04-16 0:25 ` Dan Williams
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