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From: Ping-Ke Shih <pkshih@realtek.com>
To: Alastair D'Silva <alastair@d-silva.org>,
	Kalle Valo <kvalo@kernel.org>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: RE: [PATCH] wifi: rtw88: sdio: Fix unhandled RX request interrupt storm
Date: Thu, 17 Sep 2026 07:59:42 +0000	[thread overview]
Message-ID: <ea3434d849b34a4286b0a193351a610e@realtek.com> (raw)
In-Reply-To: <20260916040635.205094-1-alastair@d-silva.org>

Hi Martin,

Alastair D'Silva <alastair@d-silva.org> wrote:
> In rtw_sdio_handle_interrupt(), the HISR status register is cleared using
> Write-1-to-Clear (W1C) semantics. However, the driver masks out the
> REG_SDIO_HISR_RX_REQUEST bit in the local 'hisr' variable before writing
> it back, causing a 0 to be written to that bit.

I feel this patch makes sense.

Did you remember why you clear the bit locally? Can you share vendor
driver you referenced?

Ping-Ke


  reply	other threads:[~2026-09-17  8:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-16  4:06 Alastair D'Silva
2026-09-17  7:59 ` Ping-Ke Shih [this message]
2026-09-17  9:09   ` Ping-Ke Shih
2026-09-17 10:04     ` Alastair D'Silva

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