linux-kernel - [PATCH 3/4] mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries

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Date:   Fri, 18 Oct 2019 13:56:07 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     broonie@...nel.org, linus.walleij@...aro.org,
        daniel.thompson@...aro.org, arnd@...db.de
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dilinger@...ued.net, Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 3/4] mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries

CS5535 is the only user of mfd_clone_cell().  It makes more sense to
register child devices in the traditional way and remove the quite
bespoke mfd_clone_cell() call from the MFD API.

Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/mfd/cs5535-mfd.c | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/cs5535-mfd.c b/drivers/mfd/cs5535-mfd.c
index b01e5bb4ed03..2711e6e42742 100644
--- a/drivers/mfd/cs5535-mfd.c
+++ b/drivers/mfd/cs5535-mfd.c
@@ -95,9 +95,23 @@ static struct mfd_cell cs5535_mfd_cells[] = {
 	},
 };
 
-static const char *olpc_acpi_clones[] = {
-	"olpc-xo1-pm-acpi",
-	"olpc-xo1-sci-acpi"
+static struct mfd_cell cs5535_olpc_mfd_cells[] = {
+	{
+		.name = "olpc-xo1-pm-acpi",
+		.num_resources = 1,
+		.resources = &cs5535_mfd_resources[ACPI_BAR],
+
+		.enable = cs5535_mfd_res_enable,
+		.disable = cs5535_mfd_res_disable,
+	},
+	{
+		.name = "olpc-xo1-sci-acpi",
+		.num_resources = 1,
+		.resources = &cs5535_mfd_resources[ACPI_BAR],
+
+		.enable = cs5535_mfd_res_enable,
+		.disable = cs5535_mfd_res_disable,
+	},
 };
 
 static int cs5535_mfd_probe(struct pci_dev *pdev,
@@ -130,8 +144,18 @@ static int cs5535_mfd_probe(struct pci_dev *pdev,
 		goto err_disable;
 	}
 
-	if (machine_is_olpc())
-		mfd_clone_cell("cs5535-acpi", olpc_acpi_clones, ARRAY_SIZE(olpc_acpi_clones));
+	if (machine_is_olpc()) {
+		err = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,
+				      cs5535_olpc_mfd_cells,
+				      ARRAY_SIZE(cs5535_olpc_mfd_cells),
+				      NULL, 0, NULL);
+		if (err) {
+			dev_err(&pdev->dev,
+				"Failed to add CS5532 OLPC sub-devices: %d\n",
+				err);
+			goto err_disable;
+		}
+	}
 
 	dev_info(&pdev->dev, "%zu devices registered.\n",
 			ARRAY_SIZE(cs5535_mfd_cells));
-- 
2.17.1