Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753650AbcKONDE (ORCPT ); Tue, 15 Nov 2016 08:03:04 -0500 Received: from mail-pf0-f193.google.com ([209.85.192.193]:32784 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752999AbcKONC5 (ORCPT ); Tue, 15 Nov 2016 08:02:57 -0500 From: Milo Kim To: Lee Jones Cc: Tony Lindgren , linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Milo Kim Subject: [PATCH 3/5] mfd: tps65217: Update register interrupt mask bits instead of writing operation Date: Tue, 15 Nov 2016 22:02:13 +0900 Message-Id: <20161115130215.3301-4-woogyom.kim@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20161115130215.3301-1-woogyom.kim@gmail.com> References: <20161115130215.3301-1-woogyom.kim@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1915 Lines: 53 TPS65217 interrupt register includes read/writeable mask bits with read-only status bits. (bit 4, 5, 6 are R/W, bit 0, 1, 2 are RO) And reserved bit is not required. Register update operation is preferred for disabling all interrupts during the device initialisation. Signed-off-by: Milo Kim --- drivers/mfd/tps65217.c | 7 +++---- include/linux/mfd/tps65217.h | 3 ++- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c index 77fb812..9d76de9 100644 --- a/drivers/mfd/tps65217.c +++ b/drivers/mfd/tps65217.c @@ -189,10 +189,9 @@ static int tps65217_irq_init(struct tps65217 *tps, int irq) tps->irq = irq; /* Mask all interrupt sources */ - tps->irq_mask = (TPS65217_INT_RESERVEDM | TPS65217_INT_PBM - | TPS65217_INT_ACM | TPS65217_INT_USBM); - tps65217_reg_write(tps, TPS65217_REG_INT, tps->irq_mask, - TPS65217_PROTECT_NONE); + tps->irq_mask = TPS65217_INT_MASK; + tps65217_set_bits(tps, TPS65217_REG_INT, TPS65217_INT_MASK, + TPS65217_INT_MASK, TPS65217_PROTECT_NONE); tps->irq_domain = irq_domain_add_linear(tps->dev->of_node, TPS65217_NUM_IRQ, &tps65217_irq_domain_ops, tps); diff --git a/include/linux/mfd/tps65217.h b/include/linux/mfd/tps65217.h index 3cbec4b..35d8d64 100644 --- a/include/linux/mfd/tps65217.h +++ b/include/linux/mfd/tps65217.h @@ -73,13 +73,14 @@ #define TPS65217_PPATH_AC_CURRENT_MASK 0x0C #define TPS65217_PPATH_USB_CURRENT_MASK 0x03 -#define TPS65217_INT_RESERVEDM BIT(7) #define TPS65217_INT_PBM BIT(6) #define TPS65217_INT_ACM BIT(5) #define TPS65217_INT_USBM BIT(4) #define TPS65217_INT_PBI BIT(2) #define TPS65217_INT_ACI BIT(1) #define TPS65217_INT_USBI BIT(0) +#define TPS65217_INT_MASK (TPS65217_INT_PBM | TPS65217_INT_ACM | \ + TPS65217_INT_USBM) #define TPS65217_CHGCONFIG0_TREG BIT(7) #define TPS65217_CHGCONFIG0_DPPM BIT(6) -- 2.9.3