linux-kernel - [PATCH 5.11 403/775] i3c/master/mipi-i3c-hci: Specify HAS

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Date:   Mon,  1 Mar 2021 17:09:31 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, David Gow <davidgow@...gle.com>,
        Nicolas Pitre <npitre@...libre.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 403/775] i3c/master/mipi-i3c-hci: Specify HAS_IOMEM dependency

From: David Gow <davidgow@...gle.com>

[ Upstream commit 9d909f1b1e91b4aa7d016ed14b7b76dbf2675414 ]

The MIPI i3c HCI driver makes use of IOMEM functions like
devm_platform_ioremap_resource(), which are only available if
CONFIG_HAS_IOMEM is defined.

This causes the driver to be enabled under make ARCH=um allyesconfig,
even though it won't build.

By adding a dependency on HAS_IOMEM, the driver will not be enabled on
architectures which don't support it.

Fixes: 9ad9a52cce28 ("i3c/master: introduce the mipi-i3c-hci driver")
Signed-off-by: David Gow <davidgow@...gle.com>
Acked-by: Nicolas Pitre <npitre@...libre.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
Link: https://lore.kernel.org/r/20210127040636.1535722-1-davidgow@google.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/i3c/master/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i3c/master/Kconfig b/drivers/i3c/master/Kconfig
index e68f15f4b4d0c..afff0e2320f74 100644
--- a/drivers/i3c/master/Kconfig
+++ b/drivers/i3c/master/Kconfig
@@ -25,6 +25,7 @@ config DW_I3C_MASTER
 config MIPI_I3C_HCI
 	tristate "MIPI I3C Host Controller Interface driver (EXPERIMENTAL)"
 	depends on I3C
+	depends on HAS_IOMEM
 	help
 	  Support for hardware following the MIPI Aliance's I3C Host Controller
 	  Interface specification.
-- 
2.27.0