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From: Daniel Walter <dwalter@sigma-star.at>
To: linux-mtd@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, computersforpeace@gmail.com,
	dwmw2@infradead.org, boris.brezillon@free-electrons.com,
	Richard Weinberger <richard@nod.at>
Subject: [PATCH v2 35/46] mtd: nandsim: Make NANDSIM_MAX_DEVICES part of uapi
Date: Wed, 21 Sep 2016 11:55:27 +0200	[thread overview]
Message-ID: <56bd5362ab035957676ff97306346657d482ed26.1474450296.git.dwalter@sigma-star.at> (raw)
In-Reply-To: <cover.1474450295.git.dwalter@sigma-star.at>

From: Richard Weinberger <richard@nod.at>

...such that userspace very easy remove all nandsim instances.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
 drivers/mtd/nand/nandsim.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 185ca4d..31a9f89 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -432,10 +432,8 @@ struct grave_page {
 	unsigned int reads_done;
 };
 
-#define NS_MAX_DEVICES 32
-
 /* MTD structure for NAND controller */
-static struct mtd_info *ns_mtds[NS_MAX_DEVICES];
+static struct mtd_info *ns_mtds[NANDSIM_MAX_DEVICES];
 static DEFINE_MUTEX(ns_mtd_mutex);
 
 static struct dentry *dfs_root;
@@ -2648,7 +2646,7 @@ static int ns_ctrl_destroy_instance(struct ns_destroy_instance_req *req)
 	struct nand_chip *chip;
 	struct nandsim *ns;
 
-	if (id < 0 || id >= NS_MAX_DEVICES)
+	if (id < 0 || id >= NANDSIM_MAX_DEVICES)
 		return -EINVAL;
 
 	mutex_lock(&ns_mtd_mutex);
@@ -2758,13 +2756,13 @@ struct mtd_info *ns_new_instance(struct nandsim_params *nsparam)
 	}
 
 	mutex_lock(&ns_mtd_mutex);
-	for (i = 0; i < NS_MAX_DEVICES; i++) {
+	for (i = 0; i < NANDSIM_MAX_DEVICES; i++) {
 		if (!ns_mtds[i])
 			break;
 	}
 
-	if (i == NS_MAX_DEVICES) {
-		pr_err("Cannot allocate more than %i instances!\n", NS_MAX_DEVICES);
+	if (i == NANDSIM_MAX_DEVICES) {
+		pr_err("Cannot allocate more than %i instances!\n", NANDSIM_MAX_DEVICES);
 		retval = -ENFILE;
 		mutex_unlock(&ns_mtd_mutex);
 		goto error;
@@ -2984,7 +2982,7 @@ static void ns_destroy_all(void)
 	int i;
 
 	mutex_lock(&ns_mtd_mutex);
-	for (i = 0; i < NS_MAX_DEVICES; i++)
+	for (i = 0; i < NANDSIM_MAX_DEVICES; i++)
 		if (ns_mtds[i])
 			WARN_ON(ns_destroy_instance(ns_mtds[i]) != 0);
 	mutex_unlock(&ns_mtd_mutex);
-- 
2.8.3

  parent reply	other threads:[~2016-09-21  9:55 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-21  9:43 [PATCH v2 00/46] Nandsim facelift (part I of II) Daniel Walter
2016-09-21  9:43 ` [PATCH v2 01/46] mtdpart: Propagate _get/put_device() Daniel Walter
2016-09-21 10:15   ` Boris Brezillon
2016-09-28 20:16     ` Brian Norris
2016-12-14 19:24       ` Karl Beldan
2016-12-14 21:09         ` Brian Norris
2016-12-14 21:12           ` Richard Weinberger
2016-12-14 23:40             ` Brian Norris
2016-12-15  7:09           ` Karl Beldan
2016-12-15  7:51             ` Richard Weinberger
2016-12-28 18:53               ` Karl Beldan
2016-09-21  9:44 ` [PATCH v2 02/46] mtd: nand: Provide nand_cleanup() function to free NAND related resources Daniel Walter
2016-09-21  9:58   ` Boris Brezillon
2016-09-21 12:43   ` kbuild test robot
2016-09-21 14:25   ` Boris Brezillon
2016-09-21 14:38     ` Daniel Walter
2016-09-21 14:42       ` Boris Brezillon
2016-09-21  9:45 ` [PATCH v2 03/46] mtd: Don't unconditionally unregister reboot notifier Daniel Walter
2016-09-21 14:31   ` Boris Brezillon
2016-09-21 14:33     ` Daniel Walter
2016-10-09  5:20   ` Brian Norris
2016-09-21  9:45 ` [PATCH v2 04/46] mtd: Don't unconditionally execute remove notifiers Daniel Walter
2016-09-21  9:46 ` [PATCH v2 05/46] mtd: Don't print a scary message when trying to remove a busy MTD Daniel Walter
2016-09-21  9:46 ` [PATCH v2 06/46] mtd: nandsim: Add basic control file support Daniel Walter
2016-09-21  9:47 ` [PATCH v2 07/46] mtd: nandsim: Begin with removal of global state Daniel Walter
2016-09-21  9:47 ` [PATCH v2 08/46] mtd: nandsim: Kill global nsmtd Daniel Walter
2016-09-21  9:47 ` [PATCH v2 09/46] mtd: nandsim: Don't directly use module parameters Daniel Walter
2016-09-21  9:48 ` [PATCH v2 10/46] mtd: nandsim: Add helper functions for pointer magic Daniel Walter
2016-09-21  9:48 ` [PATCH v2 11/46] mtd: nandsim: Factor out nandsim parameters Daniel Walter
2016-09-21  9:48 ` [PATCH v2 12/46] mtd: nandsim: Make debugfs logic multi instance capable Daniel Walter
2016-09-21  9:49 ` [PATCH v2 13/46] mtd: nandsim: Add final logic for multiple instances Daniel Walter
2016-09-21  9:49 ` [PATCH v2 14/46] mtd: nandsim: Add simulator id to MTD parition name Daniel Walter
2016-09-21  9:49 ` [PATCH v2 15/46] mtd: nandsim: Introduce backend operations Daniel Walter
2016-09-21  9:49 ` [PATCH v2 16/46] mtd: nandsim: Print error when backend init failed Daniel Walter
2016-09-21  9:50 ` [PATCH v2 17/46] mtd: nandsim: Allow external backends Daniel Walter
2016-09-21  9:50 ` [PATCH v2 18/46] mtd: nandsim: Add basic support for a file backend Daniel Walter
2016-09-21  9:50 ` [PATCH v2 19/46] mtd: nandsim: UAPI v1 Daniel Walter
2016-11-20 10:13   ` Boris Brezillon
2016-09-21  9:51 ` [PATCH v2 20/46] mtd: nandsim: Implement preliminary constructor function Daniel Walter
2016-09-21  9:51 ` [PATCH v2 21/46] mtd: nandsim: Implement preliminary destructor function Daniel Walter
2016-09-21 12:56   ` kbuild test robot
2016-09-21  9:51 ` [PATCH v2 22/46] mtd: nandsim: Cleanup destroy handlers Daniel Walter
2016-09-21  9:51 ` [PATCH v2 23/46] mtd: nandsim: Unify file backend init logic Daniel Walter
2016-09-21  9:51 ` [PATCH v2 24/46] mtd: nandsim: Wire up NANDSIM_MODE_CACHEFILE ioctl mode Daniel Walter
2016-09-21  9:52 ` [PATCH v2 25/46] mtd: nandsim: Print backend name Daniel Walter
2016-09-21  9:52 ` [PATCH v2 26/46] mtd: nandsim: use the existing output macros Daniel Walter
2016-09-21  9:52 ` [PATCH v2 27/46] mtd: nandsim: Add no_oob mode Daniel Walter
2016-09-21  9:52 ` [PATCH v2 28/46] mtd: nandsim: Refine exports Daniel Walter
2016-09-21  9:54 ` [PATCH v2 29/46] um: Add nandsim backend driver Daniel Walter
2016-09-21  9:54 ` [PATCH v2 30/46] mtd: nandsim: Use pr_ style logging Daniel Walter
2016-09-21  9:54 ` [PATCH v2 31/46] mtd: nandsim: Remove NS_RAW_OFFSET_OOB Daniel Walter
2016-09-21  9:54 ` [PATCH v2 32/46] mtd: nandsim: Remove NS_IS_INITIALIZED Daniel Walter
2016-09-21  9:55 ` [PATCH v2 33/46] mtd: nandsim: Relax page size restrictions Daniel Walter
2016-09-21  9:55 ` [PATCH v2 34/46] mtd: nandsim: Support bitflip and read error emulation in file backend Daniel Walter
2016-09-21  9:55 ` Daniel Walter [this message]
2016-09-21  9:55 ` [PATCH v2 36/46] mtd: nandsim: Cleanup constants Daniel Walter
2016-09-21  9:55 ` [PATCH v2 37/46] mtd: nandsim: Turn parts[] into a integer Daniel Walter
2016-09-21  9:56 ` [PATCH v2 38/46] mtd: nandsim: Expose partition creation logic to user space Daniel Walter
2016-09-21  9:56 ` [PATCH v2 39/46] mtd: nandsim: Rework init error paths Daniel Walter
2016-09-21  9:56 ` [PATCH v2 40/46] mtd: nandsim: Expose BBT, delays, etc.. to userspace Daniel Walter
2016-09-21  9:56 ` [PATCH v2 41/46] mtd: nandsim: Expose support for weakpages/blocks " Daniel Walter
2016-09-21  9:57 ` [PATCH v2 42/46] mtd: nandsim: Don't printk on ENOMEM Daniel Walter
2016-09-21  9:57 ` [PATCH v2 43/46] mtd: nandsim: Wire up NANDSIM_IOC_NEW_INSTANCE Daniel Walter
2016-09-21  9:57 ` [PATCH v2 44/46] mtd: nandsim: Wire up NANDSIM_IOC_DESTROY_INSTANCE Daniel Walter
2016-09-21  9:57 ` [PATCH v2 45/46] mtd: nandsim: Always answer all 8 bytes from NAND_CMD_READID Daniel Walter
2016-09-21  9:57 ` [PATCH v2 46/46] mtd/nandsim: Add ioctl for info Daniel Walter
2016-10-16 16:24 ` [PATCH v2 00/46] Nandsim facelift (part I of II) Boris Brezillon
2016-11-14 16:24   ` Richard Weinberger
2016-11-20 10:26     ` Boris Brezillon

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