Return-path: Received: from mail-qk0-f176.google.com ([209.85.220.176]:36779 "EHLO mail-qk0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1162744AbdD0OmM (ORCPT ); Thu, 27 Apr 2017 10:42:12 -0400 Received: by mail-qk0-f176.google.com with SMTP id u75so29008250qka.3 for ; Thu, 27 Apr 2017 07:42:11 -0700 (PDT) From: Geoff Lansberry To: linux-wireless@vger.kernel.org, sameo@linux.intel.com Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfc@lists.01.org, devicetree@vger.kernel.org, mgreer@animalcreek.com, justin@kuvee.com, colin.king@canonical.com, wharms@bfs.de, Geoff Lansberry Subject: [PATCH v3] NFC: trf7970a: Correct register settings for 27MHz clock Date: Thu, 27 Apr 2017 10:41:59 -0400 Message-Id: <1493304119-16605-1-git-send-email-geoff@kuvee.com> (sfid-20170427_164330_595588_8B15ACFE) Sender: linux-wireless-owner@vger.kernel.org List-ID: In prior commits the selected clock frequency does not propagate correctly to what is written the the TRF7970A_MODULATOR_SYS_CLK_CTRL register. Signed-off-by: Geoff Lansberry --- drivers/nfc/trf7970a.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 6ed5d7e..f7fee7d 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -2067,6 +2067,13 @@ static int trf7970a_probe(struct spi_device *spi) return -EINVAL; } + if (clk_freq == TRF7970A_27MHZ_CLOCK_FREQUENCY) { + trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_27MHZ; + dev_dbg(trf->dev, "trf7970a configured for 27MHz crystal\n"); + } else { + trf->modulator_sys_clk_ctrl = 0; + } + ret = devm_request_threaded_irq(trf->dev, spi->irq, NULL, trf7970a_irq, IRQF_TRIGGER_RISING | IRQF_ONESHOT, -- 2.7.4