From patchwork Thu Oct 19 10:29:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathias Nyman X-Patchwork-Id: 13428594 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EF30018B10 for ; Thu, 19 Oct 2023 10:28:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Y20y2DxY" Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9F91124 for ; Thu, 19 Oct 2023 03:28:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697711295; x=1729247295; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=hAEEwwvoa6XlYzfh0F63K/IXNPTwimW5mNkdb+vh2lM=; b=Y20y2DxYhinQbwziKWxK+XLJMCLR6kDU8SfeurbqXwKAaGIeFqQ7e/3D Nz0hc3ULCp9/DEv2oJB7RHHEuogGoWEzMPiU+aWnfuX0Xi7YFnvjsICGR gelSZNyPwHG/Xx1GkgubB2FwyHPQjWUmxd3acA/tF/Myeqxo0/5aIIh+8 t7LdD7fHYv37+EEknRqXU/+NiYdeQ4NRQ8f6SHyFpwHszRJgcUc8Cr1bV w6MPdbg3ef2qPolWkEBzVXgJl1In5AuBCzcrY2pSCRbgWqNCAoBgIlSyH 3VRGO8xR9u9M7u6jyxUm9CYZOKqJTL3DJh0uQaJL/lvSr2O1HLRz7Syan A==; X-IronPort-AV: E=McAfee;i="6600,9927,10867"; a="389075847" X-IronPort-AV: E=Sophos;i="6.03,237,1694761200"; d="scan'208";a="389075847" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2023 03:28:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10867"; a="930557688" X-IronPort-AV: E=Sophos;i="6.03,237,1694761200"; d="scan'208";a="930557688" Received: from mattu-haswell.fi.intel.com ([10.237.72.199]) by orsmga005.jf.intel.com with ESMTP; 19 Oct 2023 03:28:13 -0700 From: Mathias Nyman To: Cc: , Lukas Wunner , Mathias Nyman Subject: [PATCH 08/19] xhci: Expose segment numbers in debugfs Date: Thu, 19 Oct 2023 13:29:13 +0300 Message-Id: <20231019102924.2797346-9-mathias.nyman@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231019102924.2797346-1-mathias.nyman@linux.intel.com> References: <20231019102924.2797346-1-mathias.nyman@linux.intel.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lukas Wunner Ring segments have just been amended with a monotonically increasing number. To allow developers to inspect the segment numbers and ensure correctness in particular after ring expansion, expose them in each ring's "trbs" file in debugfs. Signed-off-by: Lukas Wunner Signed-off-by: Mathias Nyman --- drivers/usb/host/xhci-debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index 99baa60ef50f..6d142cd61bd6 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -204,7 +204,7 @@ static void xhci_ring_dump_segment(struct seq_file *s, for (i = 0; i < TRBS_PER_SEGMENT; i++) { trb = &seg->trbs[i]; dma = seg->dma + i * sizeof(*trb); - seq_printf(s, "%pad: %s\n", &dma, + seq_printf(s, "%2u %pad: %s\n", seg->num, &dma, xhci_decode_trb(str, XHCI_MSG_MAX, le32_to_cpu(trb->generic.field[0]), le32_to_cpu(trb->generic.field[1]), le32_to_cpu(trb->generic.field[2]),