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From: "Michał Pecio" <michal.pecio@gmail.com>
To: Niklas Neronin <niklas.neronin@linux.intel.com>
Cc: mathias.nyman@linux.intel.com, linux-usb@vger.kernel.org
Subject: Re: [PATCH v2 1/2] usb: xhci: correct debug message page size calculation
Date: Mon, 13 Jan 2025 17:00:43 +0100	[thread overview]
Message-ID: <20250113170043.25d689a5@foxbook> (raw)
In-Reply-To: <20250113143037.2131346-2-niklas.neronin@linux.intel.com>

On Mon, 13 Jan 2025 16:30:36 +0200, Niklas Neronin wrote:
> Fix this by subtracting one from the result of ffs(). Note that since
> variable 'i' is unsigned, subtracting one from zero will result in the
> maximum unsigned integer value. Consequently, the condition 'if (i <
> 16)' will still function correctly.

Is it unsigned? I see a simple 'int' here, so this wouldn't work.

Michal

  reply	other threads:[~2025-01-13 16:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-13 14:30 [PATCH v2 0/2] usb: xhci: page size improvements Niklas Neronin
2025-01-13 14:30 ` [PATCH v2 1/2] usb: xhci: correct debug message page size calculation Niklas Neronin
2025-01-13 16:00   ` Michał Pecio [this message]
2025-01-14  8:31     ` Neronin, Niklas
2025-01-13 14:30 ` [PATCH v2 2/2] usb: xhci: set page size to the xHCI-supported size Niklas Neronin
2025-01-14  9:34   ` Michał Pecio

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