linux-kernel - Re: [External] : [PATCH RFC 07/13] dmaengine: sdxi: Import descriptor enqueue code from spec

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Message-ID: <be1e6979-135a-4b6b-9149-c037e1e1b10f@oracle.com>
Date: Tue, 16 Sep 2025 22:35:48 +0530
From: ALOK TIWARI <alok.a.tiwari@...cle.com>
To: nathan.lynch@....com, Vinod Koul <vkoul@...nel.org>
Cc: Wei Huang <wei.huang2@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [External] : [PATCH RFC 07/13] dmaengine: sdxi: Import descriptor
 enqueue code from spec



On 9/6/2025 12:18 AM, Nathan Lynch via B4 Relay wrote:
> +		} else {
> +			/* Single-Producer case */
> +			WRITE_ONCE(*Write_Index, cpu_to_le64(new_idx));
> +			dma_wmb();  /* Make the Write_Index update visible before the Door_Bell update. */
> +			break;  /* Always successful for single-producer */
> +		}
> +		/* Couldn"t update Write_Index, try again. */
> +	}

Typo Couldn"t -> Couldn't

Thanks,
Alok