From: Jakub Kicinski <kuba@kernel.org>
To: "illusion.wang" <illusion.wang@nebula-matrix.com>
Cc: dimon.zhao@nebula-matrix.com, alvin.wang@nebula-matrix.com,
sam.chen@nebula-matrix.com, netdev@vger.kernel.org,
andrew+netdev@lunn.ch, corbet@lwn.net, horms@kernel.org,
linux-doc@vger.kernel.org, pabeni@redhat.com,
vadim.fedorenko@linux.dev, lukas.bulwahn@redhat.com,
edumazet@google.com, enelsonmoore@gmail.com,
skhan@linuxfoundation.org, hkallweit1@gmail.com,
linux-kernel@vger.kernel.org (open list)
Subject: Re: [PATCH v24 net-next 02/11] net/nebula-matrix: add core driver architecture and HW layer initialization
Date: Fri, 14 Aug 2026 12:33:30 -0700 [thread overview]
Message-ID: <20260814123330.4b8056f5@kernel.org> (raw)
In-Reply-To: <20260807044422.2356-3-illusion.wang@nebula-matrix.com>
On Fri, 7 Aug 2026 12:44:06 +0800 illusion.wang wrote:
> + err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
Documentation says:
dma_set_mask_and_coherent() never return fail when DMA_BIT_MASK(64)
Please, don't error check this :/
> + if (err) {
> + dev_dbg(dev, "Configure DMA 64 bit mask failed, err = %d\n",
> + err);
> + err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
> + if (err) {
> + dev_err(dev,
> + "Configure DMA 32 bit mask failed, err = %d\n",
> + err);
> + goto configure_dma_err;
next prev parent reply other threads:[~2026-08-14 19:33 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-07 4:44 [PATCH v24 net-next 00/11] nbl driver for Nebulamatrix NICs illusion.wang
2026-08-07 4:44 ` [PATCH v24 net-next 01/11] net/nebula-matrix: add minimum nbl build framework illusion.wang
2026-08-07 4:44 ` [PATCH v24 net-next 02/11] net/nebula-matrix: add core driver architecture and HW layer initialization illusion.wang
2026-08-14 19:33 ` Jakub Kicinski [this message]
2026-08-07 4:44 ` [PATCH v24 net-next 03/11] net/nebula-matrix: add channel wire opcode enum definitions illusion.wang
2026-08-07 4:44 ` [PATCH v24 net-next 04/11] net/nebula-matrix: add channel layer illusion.wang
2026-08-14 19:38 ` Jakub Kicinski
2026-08-07 4:44 ` [PATCH v24 net-next 05/11] net/nebula-matrix: add common resource implementation illusion.wang
2026-08-07 4:44 ` [PATCH v24 net-next 06/11] net/nebula-matrix: add intr " illusion.wang
2026-08-07 4:44 ` [PATCH v24 net-next 07/11] net/nebula-matrix: add chip-wide hardware init/deinit implementation illusion.wang
2026-08-07 4:44 ` [PATCH v24 net-next 08/11] net/nebula-matrix: dispatch: add control-level routing core infrastructure illusion.wang
2026-08-14 19:45 ` Jakub Kicinski
2026-08-07 4:44 ` [PATCH v24 net-next 09/11] net/nebula-matrix: dispatch: add channel RPC framework & shared hw ops mutex illusion.wang
2026-08-07 4:44 ` [PATCH v24 net-next 10/11] net/nebula-matrix: add common/ctrl dev init/remove operation illusion.wang
2026-08-14 19:48 ` Jakub Kicinski
2026-08-07 4:44 ` [PATCH v24 net-next 11/11] net/nebula-matrix: add common dev start/stop operation illusion.wang
2026-08-14 19:48 ` Jakub Kicinski
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